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Malicious File Upload

web HIGH

Malicious file upload attacks exploit insufficient validation when web applications accept user-provided files.

How It Works

Malicious file upload attacks exploit insufficient validation when web applications accept user-provided files. The attacker uploads a file containing executable code—commonly a web shell written in PHP, JSP, or ASPX—disguised to bypass basic security checks. Once uploaded to a web-accessible directory, the attacker navigates to the file's URL, triggering server-side execution and gaining remote command execution capabilities.

Attackers employ various bypass techniques to defeat weak filters. Content-Type spoofing involves manipulating HTTP headers to claim a malicious PHP file is an image. Double extensions like shell.php.jpg exploit flawed parsers that only check the final extension. Null byte injection (shell.php%00.jpg) can truncate filenames in vulnerable code. Case manipulation (.pHp, .AsP) defeats case-sensitive blacklists. Advanced attacks upload .htaccess or web.config files to reconfigure the server, enabling script execution in directories where it was previously disabled.

The typical attack flow begins with reconnaissance to locate upload functionality, followed by testing various evasion techniques until a payload successfully uploads. The attacker then accesses the uploaded web shell through a browser, passing commands via URL parameters. This establishes an interactive backdoor for further exploitation, lateral movement, and data theft.

Impact

  • Remote code execution: Full command-line access to the web server with the application's privileges
  • Web shell persistence: Durable backdoor survives application restarts, enabling long-term access
  • Data exfiltration: Direct file system access allows theft of databases, credentials, source code, and sensitive documents
  • Server compromise: Ability to install additional malware, create privileged accounts, and pivot to internal networks
  • Website defacement: Modification of public-facing content to damage reputation or spread misinformation

Real-World Examples

Cisco Wireless LAN Controller (CVE-2025-20188) combined a hardcoded JWT credential with unrestricted file upload, allowing unauthenticated attackers to deploy web shells and achieve complete controller compromise. The dual vulnerability eliminated authentication barriers entirely.

WordPress plugin vulnerabilities frequently expose this attack surface. Numerous plugins have allowed arbitrary file uploads through image galleries or media managers, where attackers upload PHP shells disguised as images, then execute them to take over hosting environments.

Enterprise content management systems have suffered similar flaws where document upload features failed to validate file types properly, allowing attackers to upload executable scripts that provided administrative access to corporate intranets and sensitive business data.

Mitigation

  • Whitelist permitted extensions and validate against both filename and actual file content (magic bytes/file signatures)
  • Store uploads outside the webroot entirely, serving them through a handler script that prevents execution
  • Disable script execution in upload directories via web server configuration (remove execute permissions)
  • Rename uploaded files to random identifiers, breaking the attacker's ability to predict URLs
  • Implement content scanning with antivirus/malware detection before storing files
  • Enforce authentication and authorization on all upload endpoints with proper session management
  • Validate file size limits to prevent resource exhaustion alongside malicious uploads

Recent CVEs (1156)

EPSS 0% CVSS 9.8
CRITICAL Act Now

The CIBELES AI plugin for WordPress is vulnerable to arbitrary file uploads due to missing capability check in the 'actualizador_git.php' file in all versions up to, and including, 1.10.8. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

PHP WordPress RCE +1
NVD GitHub
EPSS 0% CVSS 7.2
HIGH This Week

The ProjectList plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in all versions up to, and including, 0.3.0. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP WordPress RCE +1
NVD
EPSS 0% CVSS 2.0
LOW POC Monitor

A weakness has been identified in code-projects Online Bidding System 1.0.php. Rated medium severity (CVSS 5.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

PHP Authentication Bypass File Upload
NVD GitHub VulDB
EPSS 0% CVSS 2.1
LOW POC Monitor

A security flaw has been discovered in projectworlds can pass malicious payloads up to 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

PHP Authentication Bypass File Upload
NVD GitHub VulDB
EPSS 0% CVSS 2.1
LOW POC Monitor

A weakness has been identified in ashraf-kabir travel-agency up to 1f25aa03544bc5fb7a9e846f8a7879cecdb0cad3. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

PHP Authentication Bypass File Upload
NVD GitHub VulDB
EPSS 0% CVSS 8.8
HIGH This Month

The Zegen Core plugin for WordPress is vulnerable to Cross-Site Request Forgery to Arbitrary File Upload in versions up to, and including, 2.0.1. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

PHP WordPress RCE +2
NVD
EPSS 0% CVSS 7.2
HIGH This Month

The S2B AI Assistant - ChatBot, ChatGPT, OpenAI, Content & Image Generator plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the storeFile() function. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP WordPress RCE +1
NVD GitHub
EPSS 0% CVSS 8.8
HIGH This Month

The Vitepos - Point of Sale (POS) for WooCommerce plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the insert_media_attachment() function in all. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP WordPress RCE +1
NVD
EPSS 0% CVSS 8.8
HIGH This Month

The URL Image Importer plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient file type validation in all versions up to, and including, 1.0.6. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP WordPress RCE +1
NVD
EPSS 0% CVSS 9.8
CRITICAL PATCH This Week

The ELEX WordPress HelpDesk & Customer Ticketing System plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the eh_crm_new_ticket_post() function in. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Unrestricted File Upload vulnerability could allow attackers to upload malicious files that can be executed on the server.

PHP WordPress RCE +2
NVD
EPSS 0% CVSS 7.2
HIGH This Month

Unrestricted Upload of File with Dangerous Type vulnerability in Narkom Communication and Software Technologies Trade Ltd. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

File Upload
NVD
EPSS 0% CVSS 2.0
LOW POC Monitor

A flaw has been found in Campcodes Retro Basketball Shoes Online Store 1.0. Rated medium severity (CVSS 5.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

PHP Authentication Bypass File Upload
NVD GitHub VulDB
EPSS 0% CVSS 2.0
LOW POC Monitor

A vulnerability was found in Campcodes Retro Basketball Shoes Online Store 1.0. Rated medium severity (CVSS 5.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

PHP Authentication Bypass File Upload
NVD VulDB GitHub
EPSS 1% CVSS 6.9
MEDIUM This Month

eGovFramework/egovframe-common-components versions up to and including 4.3.1 contain an unauthenticated file upload vulnerability via the /utl/wed/insertImage.do and /utl/wed/insertImageCk.do image. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

File Upload
NVD GitHub
EPSS 1% CVSS 6.9
MEDIUM POC This Week

AudioCodes Fax Server and Auto-Attendant IVR appliances versions up to and including 2.6.23 include a web administration component (F2MAdmin) that exposes an unauthenticated prompt upload endpoint at. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

PHP File Upload Tenda +2
NVD
EPSS 3% CVSS 9.3
CRITICAL POC Act Now

AudioCodes Fax Server and Auto-Attendant IVR appliances versions up to and including 2.6.23 expose an unauthenticated backup upload endpoint at AudioCodes_files/ajaxBackupUploadFile.php in the. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

PHP Windows Microsoft +4
NVD
EPSS 1% CVSS 9.3
CRITICAL POC Act Now

AudioCodes Fax Server and Auto-Attendant IVR appliances versions up to and including 2.6.23 include a web administration component (F2MAdmin) that exposes an unauthenticated script-management. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

PHP Windows Microsoft +4
NVD
EPSS 0% CVSS 9.8
CRITICAL This Week

The WavePlayer WordPress plugin before 3.8.0 does not have authorization in an AJAX action as well as does not validate the file to be copied locally, allowing unauthenticated users to upload. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

PHP WordPress File Upload
NVD WPScan
EPSS 1% CVSS 9.8
CRITICAL POC Act Now

The Mozart FM Transmitter web management interface on version WEBMOZZI-00287, contains an unauthenticated file upload vulnerability in the /upload_file.php endpoint. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

PHP RCE File Upload +22
NVD GitHub
EPSS 0% CVSS 7.2
HIGH POC This Month

The Mozart FM Transmitter web management interface on version WEBMOZZI-00287, contains an unrestricted file upload vulnerability in the /patch.php endpoint. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

PHP File Upload Mozart Next 100 Firmware +21
NVD GitHub
EPSS 0% CVSS 9.8
CRITICAL POC Act Now

An arbitrary file upload vulnerability in the /php/UploadHandler.php component of RichFilemanager v2.7.6 allows attackers to execute arbitrary code via uploading a crafted file. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

PHP RCE File Upload +1
NVD GitHub
EPSS 0% CVSS 9.8
CRITICAL POC Act Now

DzzOffice v2.3.7 and before is vulnerable to Arbitrary File Upload in /dzz/system/ueditor/php/controller.php. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

PHP File Upload Dzzoffice
NVD GitHub
EPSS 0% CVSS 8.8
HIGH This Month

A low privileged remote attacker can upload any file to an arbitrary location due to missing file check resulting in remote code execution. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RCE File Upload Ewio2 M Firmware +2
NVD
EPSS 0% CVSS 8.7
HIGH This Month

Unlimited upload vulnerability for dangerous file types in WinPlus v24.11.27 from Informática del Este. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

File Upload Winplus
NVD
EPSS 0% CVSS 8.8
HIGH This Week

The Enable SVG, WebP, and ICO Upload plugin for WordPress is vulnerable to arbitrary file upload in all versions up to, and including, 1.1.2. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

WordPress RCE File Upload
NVD
EPSS 0% CVSS 8.8
HIGH This Month

The WP Dropzone plugin for WordPress is vulnerable to authenticated arbitrary file upload in all versions up to, and including, 1.1.0 via the `ajax_upload_handle` function. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP WordPress RCE +1
NVD
EPSS 0% CVSS 8.1
HIGH This Month

The Pie Forms for WP plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 1.6 via the format_classic function. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

PHP WordPress RCE +1
NVD
EPSS 0% CVSS 8.1
HIGH This Month

The Gravity Forms plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the legacy chunked upload mechanism in all versions up to, and including,. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

PHP WordPress RCE +1
NVD GitHub
EPSS 0% CVSS 8.8
HIGH POC This Week

QaTraq 6.9.2 allows authenticated users to upload arbitrary files via the "Add Attachment" feature in the "Test Script" module. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

PHP File Upload Qatraq
NVD
EPSS 0% CVSS 2.0
LOW Monitor

A security vulnerability has been detected in Iqbolshoh php-business-website up to 10677743a8dfc281f85291a27cf63a0bce043c24. Rated medium severity (CVSS 5.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP Authentication Bypass File Upload
NVD GitHub VulDB
EPSS 0% CVSS 2.1
LOW Monitor

A security vulnerability has been detected in Jiusi OA up to 20251102. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass File Upload
NVD GitHub VulDB
EPSS 0% CVSS 2.1
LOW POC Monitor

A weakness has been identified in Bdtask Flight Booking Software 4. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass File Upload
NVD GitHub VulDB
EPSS 0% CVSS 2.0
LOW Monitor

A vulnerability has been found in DouPHP up to 1.8 Release 20251022. Rated medium severity (CVSS 5.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP Authentication Bypass File Upload
NVD GitHub VulDB
EPSS 0% CVSS 2.0
LOW POC Monitor

A security flaw has been discovered in Bdtask/CodeCanyon News365 up to 7.0.3. Rated medium severity (CVSS 5.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass File Upload
NVD GitHub VulDB
EPSS 0% CVSS 6.1
MEDIUM POC This Month

CKFinder 1.4.3 is vulnerable to Cross Site Scripting (XSS) in the File Upload function. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

XSS File Upload Ckfinder
NVD GitHub
EPSS 0% CVSS 6.8
MEDIUM This Month

A vulnerability was found in Alaga Home Security WiFi Camera 3K (model S-CW2503C-H) with hardware version V03 and firmware version 1.4.2, which allows physical attackers to execute commands as root. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

File Upload S Cw2503C H Firmware
NVD
EPSS 0% CVSS 3.9
LOW POC PATCH Monitor

PrivateBin is an online pastebin where the server has zero knowledge of pasted data. Rated low severity (CVSS 3.9), this vulnerability is low attack complexity. Public exploit code available.

XSS Windows Apple +4
NVD GitHub
EPSS 0% CVSS 2.1
LOW POC Monitor

A vulnerability was detected in itsourcecode Online Voting System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

PHP Authentication Bypass File Upload
NVD GitHub VulDB
EPSS 0% CVSS 7.7
HIGH This Month

An arbitrary file upload vulnerability was reported in the Lenovo Scanner Pro client during an internal security assessment that could allow remote code execution or unauthorized control of the. Rated high severity (CVSS 7.7), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

RCE File Upload Lenovo
NVD
EPSS 0% CVSS 7.3
HIGH This Month

Unrestricted Upload of File with Dangerous Type vulnerability in Apache OFBiz.09.03. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Apache File Upload Ofbiz
NVD
EPSS 0% CVSS 2.0
LOW Monitor

Unrestricted upload of file with dangerous type for some Intel(R) CIP software before version WIN_DCA_2.4.0.11001 within Ring 3: User Applications may allow an escalation of privilege. Rated low severity (CVSS 2.0), this vulnerability is remotely exploitable. No vendor patch available.

Privilege Escalation File Upload Intel +1
NVD
EPSS 0% CVSS 8.8
HIGH This Month

The Blocksy Companion plugin for WordPress is vulnerable to authenticated arbitrary file upload in all versions up to, and including, 2.1.19. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP WordPress RCE +1
NVD
EPSS 0% CVSS 9.8
CRITICAL This Week

The WP移行専用プラグイン for CPI plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the Cpiwm_Import_Controller::import function in all versions up to, and. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

PHP WordPress RCE +1
NVD
EPSS 0% CVSS 2.7
LOW Monitor

Migration Workbench (DX Workbench) in SAP NetWeaver Application Server for ABAP fails to trigger a malware scan when an attacker with administrative privileges uploads files to the application. Rated low severity (CVSS 2.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

SAP File Upload
NVD
EPSS 0% CVSS 7.2
HIGH POC This Month

An authenticated arbitrary file upload vulnerability in the /uploads/ endpoint of CMS Made Simple Foundation File Manager v2.2.22 allows attackers with Administrator privileges to execute arbitrary. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

PHP RCE File Upload +1
NVD GitHub
EPSS 0% CVSS 8.6
HIGH This Month

EIP Plus developed by Hundred Plus has an Arbitrary File Uplaod vulnerability, allowing privileged remote attackers to upload and execute web shell backdoors, thereby enabling arbitrary code. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RCE File Upload
NVD
EPSS 0% CVSS 7.2
HIGH This Month

The Alex Reservations: Smart Restaurant Booking plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the /wp-json/srr/v1/app/upload/file REST endpoint. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP WordPress RCE +1
NVD GitHub
EPSS 0% CVSS 7.2
HIGH This Month

The Mail Mint plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the process_contact_attribute_import function in all versions up to, and including,. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP WordPress RCE +1
NVD
EPSS 0% CVSS 8.8
HIGH This Month

The Smart Auto Upload Images plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the auto-image creation functionality in all versions up to, and. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP WordPress RCE +1
NVD
EPSS 0% CVSS 7.5
HIGH PATCH This Month

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

SSRF Node.js File Upload
NVD GitHub
EPSS 0% CVSS 2.1
LOW POC Monitor

A vulnerability was identified in projectworlds Online Notes Sharing Platform 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

PHP Authentication Bypass File Upload
NVD GitHub VulDB
EPSS 59% CVSS 9.3
CRITICAL POC THREAT Act Now

Monsta FTP web-based file manager versions 2.11 and earlier allow unauthenticated arbitrary file uploads. The vulnerability enables attackers to upload malicious files from a compromised FTP server, which are then executed on the Monsta FTP server, achieving remote code execution.

RCE File Upload Monsta Ftp
NVD
EPSS 0% CVSS 9.8
CRITICAL This Week

The Gravity Forms plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the copy_post_image() function in all versions up to, and including, 2.9.20. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

PHP WordPress RCE +1
NVD GitHub
EPSS 0% CVSS 10.0
CRITICAL This Week

Unrestricted Upload of File with Dangerous Type vulnerability in KingAddons.com King Addons for Elementor king-addons allows Upload a Web Shell to a Web Server.1.36. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

File Upload
NVD
EPSS 0% CVSS 9.9
CRITICAL This Week

Unrestricted Upload of File with Dangerous Type vulnerability in Rometheme RTMKit rometheme-for-elementor.6.5. Rated critical severity (CVSS 9.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

File Upload
NVD
EPSS 0% CVSS 9.9
CRITICAL This Week

Unrestricted Upload of File with Dangerous Type vulnerability in Case-Themes Case Addons case-addons.3.0. Rated critical severity (CVSS 9.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

File Upload
NVD
EPSS 0% CVSS 9.9
CRITICAL Act Now

Unrestricted Upload of File with Dangerous Type vulnerability in hogash Kallyas kallyas.22.0. Rated critical severity (CVSS 9.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

File Upload
NVD
EPSS 0% CVSS 10.0
CRITICAL Act Now

Unrestricted Upload of File with Dangerous Type vulnerability in Plugify Helpdesk Support Ticket System for WooCommerce support-ticket-system-for-woocommerce allows Using Malicious Files.1.0. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

WordPress File Upload
NVD
EPSS 0% CVSS 10.0
CRITICAL This Week

Unrestricted Upload of File with Dangerous Type vulnerability in Addify Custom User Registration Fields for WooCommerce user-registration-plugin-for-woocommerce allows Upload a Web Shell to a Web. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

PHP WordPress File Upload
NVD
EPSS 0% CVSS 4.8
MEDIUM This Month

Unrestricted Upload of File with Dangerous Type vulnerability in Vito Peleg Atarim atarim-visual-collaboration allows Using Malicious Files.2. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

File Upload
NVD
EPSS 0% CVSS 9.1
CRITICAL This Week

Unrestricted Upload of File with Dangerous Type vulnerability in Helmut Wandl Advanced Settings advanced-settings allows Upload a Web Shell to a Web Server.1.1. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

File Upload
NVD
EPSS 0% CVSS 10.0
CRITICAL This Week

Unrestricted Upload of File with Dangerous Type vulnerability in borisolhor Drop Uploader for CF7 - Drag&Drop File Uploader Addon drop-uploader-for-contact-form-7-dragdrop-file-uploader-addon allows. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

File Upload
NVD
EPSS 0% CVSS 4.3
MEDIUM Monitor

The Blog2Social: Social Media Auto Post & Scheduler plugin for WordPress is vulnerable to limited file upload due to an incorrect capability check on theuploadVideo() function in all versions up to,. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP WordPress Authentication Bypass +1
NVD
EPSS 1% CVSS 8.4
HIGH This Month

An arbitrary file upload vulnerability exists in multiple WSO2 products due to insufficient validation of uploaded content and destination in SOAP admin services. Rated high severity (CVSS 8.4), this vulnerability is low attack complexity. No vendor patch available.

RCE File Upload Api Control Plane +8
NVD
EPSS 0% CVSS 6.5
MEDIUM This Month

A vulnerability in the web UI of Cisco Unified CCX could allow an authenticated, remote attacker to upload and execute arbitrary files. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Cisco File Upload Unified Contact Center Express
NVD
EPSS 0% CVSS 6.5
MEDIUM This Month

A vulnerability in the web UI of Cisco Unified CCX could allow an authenticated, remote attacker to upload and execute arbitrary files. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Cisco File Upload Unified Contact Center Express
NVD
EPSS 0% CVSS 9.8
CRITICAL This Week

A vulnerability in the Java Remote Method Invocation (RMI) process of Cisco Unified CCX could allow an unauthenticated, remote attacker to upload arbitrary files and execute arbitrary commands with. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Java Cisco +2
NVD
EPSS 1% CVSS 9.9
CRITICAL PATCH This Week

Snipe-IT before version 8.3.3 contains a remote code execution vulnerability that allows an authenticated attacker to upload a malicious backup file containing arbitrary files and execute system. Rated critical severity (CVSS 9.9), this vulnerability is remotely exploitable, low attack complexity. This Unrestricted File Upload vulnerability could allow attackers to upload malicious files that can be executed on the server.

RCE File Upload Snipe It
NVD GitHub
EPSS 0% CVSS 6.7
MEDIUM This Month

An arbitrary file upload vulnerability exists in multiple WSO2 products due to improper input validation in the CarbonAppUploader admin service endpoint. Rated medium severity (CVSS 6.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RCE File Upload Api Control Plane +7
NVD
EPSS 0% CVSS 9.8
CRITICAL This Week

The KiotViet Sync plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the create_media() function in all versions up to, and including, 1.8.5. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

PHP WordPress RCE +1
NVD
EPSS 0% CVSS 9.8
CRITICAL This Week

The Easy Upload Files During Checkout plugin for WordPress is vulnerable to arbitrary JavaScript file uploads due to missing file type validation in the 'file_during_checkout' function in all. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

PHP WordPress RCE +1
NVD
EPSS 0% CVSS 8.8
HIGH This Month

The EM Beer Manager plugin for WordPress is vulnerable to arbitrary file upload leading to remote code execution in all versions up to, and including, 3.2.3. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP WordPress RCE +1
NVD
EPSS 0% CVSS 8.8
HIGH This Week

Multiple plugins for WordPress with the Jewel Theme Recommended Plugins Library are vulnerable to Unrestricted Upload of File with Dangerous Type via arbitrary plugin installation in all versions up. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

WordPress Authentication Bypass RCE +1
NVD
EPSS 0% CVSS 8.3
HIGH This Month

Arbitrary code execution is possible due to improper validation of the file upload functionality in Eaton BLSS. Rated high severity (CVSS 8.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RCE File Upload
NVD
EPSS 0% CVSS 2.0
LOW POC Monitor

A vulnerability was identified in code-projects Simple Online Hotel Reservation System 2.0. Rated medium severity (CVSS 5.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

PHP Authentication Bypass File Upload
NVD GitHub VulDB
EPSS 0% CVSS 8.8
HIGH This Month

The RESTful Content Syndication plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the ingest_image() function in versions 1.1.0 to 1.5.0. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP WordPress RCE +1
NVD
EPSS 0% CVSS 8.8
HIGH This Month

The WP Delicious - Recipe Plugin for Food Bloggers (formerly Delicious Recipes) plugin for WordPress is vulnerable to arbitrary file uploads when importing recipes via CSV in all versions up to, and. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP WordPress RCE +1
NVD
EPSS 0% CVSS 9.8
CRITICAL This Week

The Tablesome Table - Contact Form DB - WPForms, CF7, Gravity, Forminator, Fluent plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

PHP WordPress RCE +1
NVD
EPSS 0% CVSS 7.5
HIGH This Week

Local file inclusion in Majestic Support WordPress plugin versions ≤1.0.7 allows authenticated attackers with low-level privileges to include arbitrary PHP files from the server filesystem via improper filename control in include/require statements. With CVSS 7.5 (High), the vulnerability requires high attack complexity but can lead to complete confidentiality, integrity, and availability compromise. EPSS score of 0.10% (28th percentile) suggests low probability of mass exploitation. No public exploit code identified and not present in CISA KEV at time of analysis, though Patchstack tracking indicates vendor awareness.

PHP LFI File Upload
NVD
EPSS 0% CVSS 5.5
MEDIUM POC This Month

A security flaw has been discovered in code-projects Simple Food Ordering System 1.0. This issue affects some unknown processing of the file /addproduct.php. Performing manipulation of the argument photo results in unrestricted upload. The attack may be initiated remotely. The exploit has been released to the public and may be exploited.

PHP Authentication Bypass File Upload +1
NVD GitHub VulDB
EPSS 0% CVSS 2.1
LOW POC Monitor

MaxSite CMS up to version 109 contains an improper access control vulnerability in the file editor plugin that allows authenticated remote attackers to upload arbitrary files by manipulating the file_path and content parameters in save-file-ajax.php. Publicly available exploit code exists for this vulnerability, and the vendor has not responded to early disclosure attempts, leaving affected installations unpatched.

PHP Authentication Bypass File Upload +1
NVD VulDB
EPSS 0% CVSS 2.1
LOW POC Monitor

MaxSite CMS up to version 109 contains an unrestricted file upload vulnerability in the auto_post plugin's upload handler that allows authenticated remote attackers to bypass file upload restrictions by manipulating HTTP headers (X-Requested-FileName and X-Requested-FileUpDir). Public exploit code is available, though EPSS score (0.05%) suggests limited real-world exploitation despite the publicly disclosed proof-of-concept.

PHP Authentication Bypass File Upload +1
NVD VulDB
EPSS 0% CVSS 2.1
LOW Monitor

Yonyou U8 Cloud versions up to 5.1sp allow authenticated remote attackers to bypass file upload restrictions via manipulation of the ts and sign parameters in the /service/NCloudGatewayServlet endpoint, enabling unrestricted file uploads. The vulnerability affects the Request Header Handler component and has been publicly disclosed with exploit code available, though the vendor has not responded to early notification.

Authentication Bypass File Upload
NVD GitHub VulDB
EPSS 0% CVSS 2.0
LOW POC Monitor

Willow CMS up to version 1.4.0 allows high-privilege authenticated users to upload arbitrary files via an unrestricted file upload vulnerability in the /admin/images/add endpoint. The CVSS 2.0 score reflects the requirement for high-privilege authentication (PR:H), but public exploit code availability combined with low EPSS (0.05th percentile) suggests this is primarily exploitable only by compromised or malicious administrators rather than remote unauthenticated attackers.

Authentication Bypass File Upload Willow Cms
NVD GitHub VulDB
EPSS 0% CVSS 5.5
MEDIUM POC This Month

A security vulnerability has been detected in code-projects Simple Food Ordering System 1.0. Impacted is an unknown function of the file /editproduct.php. Such manipulation of the argument photo leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.

PHP Authentication Bypass File Upload +1
NVD GitHub VulDB
EPSS 0% CVSS 2.0
LOW Monitor

Unrestricted file upload vulnerability in Muzuro Ecommerce System and ashymuzuro Full-Ecommerce-Website up to version 1.1.0 allows remote authenticated high-privilege administrators to upload arbitrary files via the Add Product Page (/admin/index.php?add_product), with exploit code publicly disclosed. Despite low CVSS score (2.0) due to high privilege requirement, the vulnerability enables direct code execution risk in admin-controlled uploads and received no vendor response to disclosure.

PHP Authentication Bypass File Upload
NVD GitHub VulDB
EPSS 0% CVSS 2.1
LOW POC Monitor

LearnHouse allows authenticated remote users to upload arbitrary files via unrestricted manipulation of the thumbnail parameter in the Course Thumbnail Handler endpoint (/api/v1/courses/), enabling potential malicious file storage and execution. The vulnerability affects all versions up to commit 98dfad76aad70711a8113f6c1fdabfccf10509ca, with publicly available exploit code disclosed despite vendor non-response to early notification. While CVSS is low (2.1) and EPSS exploitation probability is minimal (0.06%), the presence of public exploits and authentication-only barrier warrants prioritization in environments where account compromise or insider risk is elevated.

Authentication Bypass File Upload Learnhouse
NVD GitHub VulDB
EPSS 0% CVSS 2.1
LOW POC Monitor

Unrestricted file upload in Bdtask Flight Booking Software up to version 3.1 via the Package Information Module endpoint /b2c/package-information allows authenticated remote attackers to upload arbitrary files with low confidentiality and integrity impact. Publicly available exploit code exists; the vulnerability carries a low CVSS score (2.1) due to requiring prior authentication and limited scope, but the ease of exploitation (AC:L, public POC) and vendor non-responsiveness elevate practical risk for deployed instances.

Authentication Bypass File Upload Flight Booking Software
NVD GitHub VulDB
EPSS 0% CVSS 2.1
LOW POC Monitor

Unrestricted file upload in Bdtask Flight Booking Software up to version 3.1 allows authenticated remote attackers to upload arbitrary files via the /admin/transaction/deposit endpoint. The vulnerability requires valid user credentials (PR:L in CVSS vector) but grants attackers capability to upload files with minimal scope impact. Public exploit code is available, though the very low EPSS score (0.02%) and lack of CISA KEV listing suggest limited real-world exploitation despite disclosure.

Authentication Bypass File Upload Flight Booking Software
NVD GitHub VulDB
EPSS 0% CVSS 2.0
LOW POC Monitor

Unrestricted file upload in ajayrandhawa User-Management-PHP-MYSQL allows high-privilege attackers to upload arbitrary files via the image parameter in /admin/edit-user.php. Exploitation requires administrator credentials but publicly available exploit code exists. With an EPSS score of 0.06% and no active exploitation confirmed in CISA KEV, real-world risk is minimal despite the remote attack vector.

PHP Authentication Bypass File Upload +1
NVD VulDB GitHub
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Quick Facts

Typical Severity
HIGH
Category
web
Total CVEs
1156

Related CWEs

MITRE ATT&CK

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