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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 (4271)

EPSS 1% CVSS 4.7
MEDIUM This Month

An authenticated privileged attacker could upload a specially crafted zip to the EspoCRM server in version 7.2.5, via the extension deployment form, which could lead to arbitrary PHP code execution. Rated medium severity (CVSS 4.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP RCE File Upload +1
NVD
EPSS 1% CVSS 4.7
MEDIUM This Month

An authenticated privileged attacker could upload a specially crafted zip to the EspoCRM server in version 7.2.5, via the update form, which could lead to arbitrary PHP code execution. Rated medium severity (CVSS 4.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP RCE File Upload +1
NVD
EPSS 2% CVSS 8.8
HIGH POC This Week

File Upload vulnerability in Microweber v.2.0.4 allows a remote attacker to execute arbitrary code via a crafted script to the file upload function in the created forms component. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RCE File Upload Microweber
NVD GitHub
EPSS 2% CVSS 8.8
HIGH POC PATCH This Week

Unrestricted file upload in `/main/inc/ajax/work.ajax.php` in Chamilo LMS <= v1.11.24 allows authenticated attackers with learner role to obtain remote code execution via uploading of PHP files. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

PHP RCE File Upload +2
NVD GitHub
EPSS 2% CVSS 8.8
HIGH POC PATCH This Week

Unrestricted file upload in `/main/inc/ajax/exercise.ajax.php` in Chamilo LMS <= v1.11.24 allows authenticated attackers with learner role to obtain remote code execution via uploading of PHP files. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

PHP RCE File Upload +2
NVD GitHub
EPSS 2% CVSS 8.8
HIGH POC PATCH This Week

Unrestricted file upload in `/main/inc/ajax/dropbox.ajax.php` in Chamilo LMS <= v1.11.24 allows authenticated attackers with learner role to obtain remote code execution via uploading of PHP files. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

PHP RCE File Upload +2
NVD GitHub
EPSS 2% CVSS 8.8
HIGH POC PATCH This Week

Unrestricted file upload in `/main/inc/ajax/document.ajax.php` in Chamilo LMS <= v1.11.24 allows authenticated attackers with learner role to obtain remote code execution via uploading of PHP files. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

PHP RCE File Upload +2
NVD GitHub
EPSS 2% CVSS 9.8
CRITICAL POC PATCH Act Now

Improper sanitisation in `main/inc/lib/fileUpload.lib.php` in Chamilo LMS <= v1.11.20 on Windows and Apache installations allows unauthenticated attackers to bypass file upload security protections. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

PHP RCE Apache +3
NVD GitHub
EPSS 3% CVSS 9.8
CRITICAL POC PATCH Act Now

Path traversal in file upload functionality in `/main/webservices/additional_webservices.php` in Chamilo LMS <= v1.11.20 allows unauthenticated attackers to perform stored cross-site scripting. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

PHP XSS RCE +3
NVD GitHub
EPSS 2% CVSS 7.2
HIGH PATCH This Week

The BookingPress plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient file validation on the 'bookingpress_process_upload' function in versions up to, and including,. Rated high severity (CVSS 7.2), 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.

WordPress RCE File Upload +3
NVD VulDB
EPSS 1% CVSS 8.8
HIGH POC This Week

In Sentrifugo 3.5, the AssetsController::uploadsaveAction function allows an authenticated attacker to upload any file without extension filtering. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

File Upload Sentrifugo Sapplica
NVD GitHub
EPSS 15% CVSS 9.8
CRITICAL POC THREAT Act Now

Arcserve UDP prior to 9.2 contained a vulnerability in the com.ca.arcflash.rps.webservice.RPSService4CPMImpl interface. 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.

File Upload Udp Arcserve
NVD
EPSS 1% CVSS 8.8
HIGH POC This Week

A vulnerability, which was classified as critical, has been found in Xiamen Four-Faith Video Surveillance Management System 2016/2017. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Apache File Upload Video Surveillance Management System +1
NVD GitHub VulDB
EPSS 3% CVSS 9.8
CRITICAL POC Act Now

A vulnerability was found in Byzoro Smart S80 up to 20231108. 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 Smart S80 Firmware +1
NVD GitHub VulDB
EPSS 1% CVSS 8.8
HIGH This Week

Unrestricted Upload of File with Dangerous Type vulnerability in Pandora FMS on all allows Accessing Functionality Not Properly Constrained by ACLs. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP File Upload Pandora Fms +1
NVD
EPSS 1% CVSS 8.8
HIGH This Week

Unrestricted Upload of File with Dangerous Type vulnerability in Pandora FMS on all allows Accessing Functionality Not Properly Constrained by ACLs. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP File Upload Pandora Fms +1
NVD
EPSS 0% CVSS 8.8
HIGH This Week

Cross-Site Request Forgery (CSRF) vulnerability in Infinite Uploads Big File Uploads - Increase Maximum File Upload Size plugin <= 2.1.1 versions. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

CSRF File Upload Big File Uploads
NVD
EPSS 0% CVSS 5.4
MEDIUM POC This Month

Headwind MDM Web panel 5.22.1 is vulnerable to cross-site scripting (XSS). Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

XSS File Upload Headwind Mdm +1
NVD
EPSS 1% CVSS 5.4
MEDIUM POC This Month

Headwind MDM Web panel 5.22.1 is vulnerable to Directory Traversal. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Path Traversal File Upload Headwind Mdm +1
NVD
EPSS 4% CVSS 8.1
HIGH PATCH This Week

The Drag and Drop Multiple File Upload - Contact Form 7 plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient file type validation in the 'dnd_upload_cf7_upload' function. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. This Unrestricted File Upload vulnerability could allow attackers to upload malicious files that can be executed on the server.

WordPress RCE File Upload +3
NVD VulDB
EPSS 0% CVSS 5.4
MEDIUM POC This Month

Dev blog v1.0 allows to exploit an XSS through an unrestricted file upload, together with a bad entropy of filenames. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

XSS File Upload Dev Blog
NVD GitHub
EPSS 20% CVSS 7.5
HIGH PATCH Act Now

The Paid Memberships Pro plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient file type validation in the 'pmpro_paypalexpress_session_vars_for_user_fields' function in. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. Epss exploitation probability 19.7%.

WordPress RCE File Upload +3
NVD VulDB
EPSS 1% CVSS 8.8
HIGH PATCH This Week

CLUSTERPRO X Ver5.1 and earlier and EXPRESSCLUSTER X 5.1 and earlier, CLUSTERPRO X SingleServerSafe 5.1 and earlier, EXPRESSCLUSTER X SingleServerSafe 5.1 and earlier allows a attacker to log in to. Rated high severity (CVSS 8.8), 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.

File Upload Expresscluster X Expresscluster X Singleserversafe +1
NVD
EPSS 1% CVSS 9.8
CRITICAL POC Act Now

OpenSupports v4.11.0 is vulnerable to Unrestricted Upload of File with Dangerous Type. 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.

RCE File Upload Opensupports
NVD
EPSS 0% CVSS 6.6
MEDIUM PATCH This Month

The Forminator plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient blacklisting on the 'forminator_allowed_mime_types' function in versions up to, and including, 1.27.0. Rated medium severity (CVSS 6.6), this vulnerability is remotely exploitable. This Unrestricted File Upload vulnerability could allow attackers to upload malicious files that can be executed on the server.

WordPress File Upload Forminator +2
NVD VulDB
EPSS 0% CVSS 5.4
MEDIUM POC PATCH This Month

Unrestricted Upload of File with Dangerous Type in GitHub repository salesagility/suitecrm prior to 7.14.2, 7.12.14, 8.4.2. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

File Upload Suitecrm Salesagility
NVD GitHub
EPSS 1% CVSS 6.1
MEDIUM POC This Month

GibbonEdu Gibbon through version 25.0.0 allows /modules/Planner/resources_addQuick_ajaxProcess.php file upload with resultant XSS. 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.

PHP XSS File Upload +2
NVD
EPSS 1% CVSS 8.8
HIGH PATCH This Week

Guest Entries is a php library which allows users to create, update & delete entries from the front-end of a site. Rated high severity (CVSS 8.8), 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.

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

A vulnerability, which was classified as problematic, was found in Maiwei Safety Production Control Platform 4.1. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

File Upload Maiwei Safety Production Control Platform Maiwei Safety Production Control Platform Project
NVD VulDB
EPSS 1% CVSS 9.8
CRITICAL PATCH Act Now

Statmic is a core Laravel content management system Composer package. 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 File Upload Statamic
NVD GitHub
EPSS 0% CVSS 5.4
MEDIUM POC This Month

Jaspersoft Clarity PPM version 14.3.0.298 was discovered to contain an arbitrary file upload vulnerability via the Profile Picture Upload function. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

XSS Broadcom File Upload +1
NVD
EPSS 1% CVSS 5.4
MEDIUM PATCH This Month

Microweber CMS version 2.0.1 is vulnerable to stored Cross Site Scripting (XSS) via the profile picture file upload functionality. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

XSS File Upload Microweber
NVD GitHub
EPSS 1% CVSS 8.8
HIGH This Week

In WS_FTP Server versions prior to 8.7.6 and 8.8.4, an unrestricted file upload flaw has been identified. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

File Upload Ws Ftp Server Progress
NVD
EPSS 2% CVSS 8.8
HIGH POC This Week

RemoteClinic 2.0 contains a critical vulnerability chain that can be exploited by a remote attacker with low-privileged user credentials to create admin users, escalate privileges, and execute. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

PHP RCE File Upload +2
NVD GitHub
EPSS 1% CVSS 9.8
CRITICAL POC Act Now

The WooCommerce Ninja Forms Product Add-ons WordPress plugin before 1.7.1 does not validate the file to be uploaded, allowing any unauthenticated users to upload arbitrary files to the server,. 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.

WordPress File Upload Woocommerce Ninja Forms Product Add Ons
NVD WPScan
EPSS 1% CVSS 7.8
HIGH This Week

Ivanti Avalanche EnterpriseServer Service Unrestricted File Upload Local Privilege Escalation Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Privilege Escalation Ivanti File Upload +1
NVD
EPSS 1% CVSS 8.8
HIGH This Week

Galaxy Software Services Corporation Vitals ESP is an online knowledge base management portal, it has insufficient filtering and validation during file upload. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

File Upload Vitals Enterprise Social Platform Gss
NVD
EPSS 1% CVSS 7.2
HIGH POC This Week

A vulnerability was found in SourceCodester Company Website CMS 1.0 and classified as problematic. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

File Upload Company Website Cms Company Website Cms Project
NVD VulDB
EPSS 5% CVSS 7.2
HIGH PATCH This Week

The Icons Font Loader plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the upload function in all versions up to, and including, 1.1.2. Rated high severity (CVSS 7.2), 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.

WordPress RCE File Upload +3
NVD VulDB
EPSS 1% CVSS 8.8
HIGH POC This Week

An arbitrary file upload vulnerability in HadSky v7.12.10 allows attackers to execute arbitrary code via a crafted file. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RCE File Upload Hadsky
NVD GitHub
EPSS 1% CVSS 7.2
HIGH This Week

Two vulnerabilities in Cisco ISE could allow an authenticated, remote attacker to upload arbitrary files to an affected device. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RCE Cisco File Upload +1
NVD
EPSS 1% CVSS 7.2
HIGH This Week

Two vulnerabilities in Cisco ISE could allow an authenticated, remote attacker to upload arbitrary files to an affected device. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RCE Cisco File Upload +1
NVD
EPSS 1% CVSS 8.0
HIGH POC This Week

Lack of mime type response header in Bitrix24 22.0.300 allows authenticated remote attackers to execute arbitrary JavaScript code in the victim's browser, and possibly execute arbitrary PHP code on. Rated high severity (CVSS 8.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

PHP File Upload Bitrix24
NVD
EPSS 1% CVSS 8.8
HIGH POC This Week

Insecure temporary file creation in bitrix/modules/crm/lib/order/import/instagram.php in Bitrix24 22.0.300 hosted on Apache HTTP Server allows remote authenticated attackers to execute arbitrary code. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

PHP RCE Apache +2
NVD
EPSS 0% CVSS 5.4
MEDIUM POC This Month

The CITS Support svg, webp Media and TTF,OTF File Upload WordPress plugin before 3.0 does not sanitise uploaded SVG files, which could allow users with a role as low as Author to upload a malicious. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

WordPress XSS File Upload +1
NVD WPScan
EPSS 1% CVSS 5.4
MEDIUM PATCH This Month

baserCMS is a website development framework. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

XSS File Upload Basercms
NVD GitHub
EPSS 1% CVSS 8.8
HIGH This Week

BigBlueButton is an open-source virtual classroom. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

File Upload Bigbluebutton
NVD GitHub
EPSS 1% CVSS 8.8
HIGH POC This Week

A vulnerability was found in code-projects Admission Management System 1.0. 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 Admission Management System
NVD GitHub VulDB
EPSS 1% CVSS 8.8
HIGH This Week

An issue was discovered in SugarCRM 12 before 12.0.4 and 13 before 13.0.2. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP File Upload Sugarcrm
NVD
EPSS 1% CVSS 8.8
HIGH POC This Week

A vulnerability has been found in flusity CMS and classified as critical. 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 Flusity
NVD GitHub VulDB
EPSS 1% CVSS 8.8
HIGH POC This Week

A vulnerability was found in CodeAstro POS System 1.0. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

File Upload Pos System Martmbithi
NVD VulDB
EPSS 1% CVSS 8.8
HIGH POC This Week

A vulnerability was found in CodeAstro POS System 1.0. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

File Upload Pos System Martmbithi
NVD VulDB
EPSS 1% CVSS 9.8
CRITICAL POC Act Now

A vulnerability classified as critical was found in SourceCodester File Manager App 1.0. 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 File Manager App +1
NVD GitHub VulDB
EPSS 1% CVSS 7.8
HIGH POC This Week

File Upload vulnerability in zzzCMS v.2.1.9 allows a remote attacker to execute arbitrary code via a crafted file to the down_url function in zzz.php file. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

PHP RCE File Upload +1
NVD GitHub
EPSS 2% CVSS 9.8
CRITICAL POC Act Now

File Upload vulnerability in zzzCMS v.2.1.9 allows a remote attacker to execute arbitrary code via modification of the imageext parameter from jpg, jpeg,gif, and png to jpg, jpeg,gif, png, pphphp. 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.

RCE File Upload Zzzcms
NVD GitHub
EPSS 0% CVSS 4.8
MEDIUM POC This Month

A File upload vulnerability in RiteCMS 3.0 allows a local attacker to upload a SVG file with XSS content. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

XSS File Upload Ritecms
NVD GitHub
EPSS 1% CVSS 8.8
HIGH This Week

Arbitrary file upload to web root in the IDAttend’s IDWeb application 3.1.013 allows authenticated attackers to upload dangerous files to web root such as ASP or ASPX, gaining command execution on. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Path Traversal File Upload Idweb +1
NVD
EPSS 0% CVSS 7.3
HIGH This Week

Insufficient blacklisting in M-Files Web Companion before release version 23.10 and LTS Service Release Versions before 23.8 LTS SR1 allows Remote Code Execution via specific file types. Rated high severity (CVSS 7.3), this vulnerability is low attack complexity. No vendor patch available.

RCE File Upload M Files +1
NVD
EPSS 7% CVSS 9.8
CRITICAL POC Act Now

The Simple:Press - WordPress Forum Plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the ~/admin/resources/jscript/ajaxupload/sf-uploader.php file in. 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 WordPress RCE +3
NVD WPScan VulDB
EPSS 1% CVSS 9.8
CRITICAL Act Now

KnowBand supercheckout > 5.0.7 and < 6.0.7 is vulnerable to Unrestricted Upload of File with Dangerous Type. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

PHP File Upload Supercheckout
NVD
EPSS 0% CVSS 8.8
HIGH This Week

HCL Compass is vulnerable to lack of file upload security. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

File Upload Hcl Compass Hcltech
NVD
EPSS 1% CVSS 7.2
HIGH POC This Week

Sourcecodester Best Courier Management System 1.0 is vulnerable to Arbitrary file upload in the update_user function. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

File Upload Best Courier Management System Mayurik
NVD GitHub
EPSS 1% CVSS 8.8
HIGH POC This Week

eSST Monitoring v2.147.1 was discovered to contain a remote code execution (RCE) vulnerability via the file upload function. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RCE File Upload Esst Monitoring +1
NVD GitHub
EPSS 1% CVSS 9.8
CRITICAL POC Act Now

An arbitrary file upload vulnerability in the component ajax_link.php of lylme_spage v1.7.0 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 +2
NVD GitHub
EPSS 0% CVSS 7.8
HIGH POC This Week

An issue in Expense Management System v.1.0 allows a local attacker to execute arbitrary code via a crafted file uploaded to the sign-up.php component. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

PHP RCE File Upload +2
NVD GitHub
EPSS 1% CVSS 8.8
HIGH This Week

Unrestricted upload of file with dangerous type vulnerability in create template function in EasyUse MailHunter Ultimate 2023 and earlier allows remote authenticated users to perform arbitrary system. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

File Upload Mailhunter Ultimate Easyuse
NVD
EPSS 0% CVSS 5.4
MEDIUM POC This Month

The Drag and Drop Multiple File Upload for WooCommerce WordPress plugin before 1.1.1 does not filter all potentially dangerous file extensions. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

WordPress File Upload Drag And Drop Multiple File Uploader +1
NVD WPScan
EPSS 0% CVSS 5.4
MEDIUM POC This Month

The WordPress File Upload WordPress plugin before 4.23.3 does not sanitise and escape some of its settings, which could allow high privilege users such as contributors to perform Stored Cross-Site. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

WordPress XSS File Upload +2
NVD WPScan
EPSS 0% CVSS 7.2
HIGH PATCH This Week

IBM Security Verify Governance 10.0 could allow a privileged use to upload arbitrary files due to improper file validation. Rated high severity (CVSS 7.2), 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.

IBM File Upload Security Verify Governance
NVD
EPSS 1% CVSS 9.8
CRITICAL POC Act Now

qdPM 9.2 allows remote code execution by using the Add Attachments feature of Edit Project to upload a .php file to the /uploads URI. 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 1% CVSS 5.3
MEDIUM POC This Month

File Upload vulnerability in Koha Library Software 23.05.04 and before allows a remote attacker to read arbitrary files via the upload-cover-image.pl component. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

File Upload Koha Library Software Koha Community
NVD GitHub
EPSS 2% CVSS 8.8
HIGH POC This Week

A vulnerability has been found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928 and classified as critical. 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 Smart S45F Firmware +1
NVD GitHub VulDB
EPSS 2% CVSS 8.8
HIGH POC This Week

A vulnerability, which was classified as critical, was found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928. 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 Smart S45F Firmware +1
NVD GitHub VulDB
EPSS 2% CVSS 8.8
HIGH POC This Week

A vulnerability, which was classified as critical, has been found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928.php. 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 Smart S45F Firmware +1
NVD GitHub VulDB
EPSS 2% CVSS 8.8
HIGH POC This Week

A vulnerability classified as critical was found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928. 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 Smart S45F Firmware +1
NVD GitHub VulDB
EPSS 2% CVSS 8.8
HIGH POC This Week

A vulnerability classified as critical has been found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928. 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 Smart S45F Firmware +1
NVD GitHub VulDB
EPSS 2% CVSS 8.8
HIGH POC This Week

A vulnerability was found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928. 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 Smart S45F Firmware +1
NVD GitHub VulDB
EPSS 1% CVSS 5.4
MEDIUM POC This Month

Concrete CMS v9.2.1 is affected by an Arbitrary File Upload vulnerability via a Thumbnail file upload, which allows Cross-Site Scripting (XSS). Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

XSS File Upload Concrete Cms +1
NVD GitHub
EPSS 1% CVSS 8.8
HIGH This Week

Atos Unify OpenScape Common Management Portal V10 before V10 R4.17.0 and V10 R5.1.0 allows an authenticated attacker to execute arbitrary code on the operating system by leveraging the Common. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RCE File Upload Unify Openscape Common Management +1
NVD
EPSS 1% CVSS 8.8
HIGH POC This Week

File Upload vulnerability in Simple and Nice Shopping Cart Script v.1.0 allows a remote attacker to execute arbitrary code via the upload function in the edit profile component. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RCE File Upload Simple And Nice Shopping Cart Script +1
NVD GitHub
EPSS 1% CVSS 9.8
CRITICAL Act Now

pigcms up to 7.0 was discovered to contain an arbitrary file upload vulnerability. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

File Upload Pigcms
NVD GitHub
EPSS 1% CVSS 8.8
HIGH POC This Week

File Upload vulnerability in Digital China Networks DCFW-1800-SDC v.3.0 allows an authenticated attacker to execute arbitrary code via the wget function in the /sbin/cloudadmin.sh component. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RCE File Upload Dcfw 1800 Sdc Firmware +1
NVD GitHub
EPSS 1% CVSS 7.8
HIGH POC This Week

An arbitrary file upload vulnerability in Personal Management System v1.4.64 allows attackers to execute arbitrary code via uploading a crafted SVG file into a user profile's avatar. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RCE File Upload Personal Management System
NVD GitHub
EPSS 19% CVSS 9.8
CRITICAL POC THREAT Act Now

An arbitrary file upload vulnerability in the component /admin/plugin.php of Emlog Pro v2.2.0 allows attackers to execute arbitrary code via uploading a crafted PHP 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 1% CVSS 9.8
CRITICAL POC Act Now

An arbitrary file upload vulnerability in the component /content/templates/ of Emlog Pro v2.2.0 allows attackers to execute arbitrary code via uploading a crafted PHP 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 1% CVSS 8.8
HIGH This Week

This vulnerability allows an authenticated attacker to upload malicious files by bypassing the restrictions of the upload functionality, compromising the entire device. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

File Upload Et 7060 Firmware
NVD
EPSS 1% CVSS 8.8
HIGH This Week

The file upload functionality is not implemented correctly and allows uploading of any type of file. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

File Upload Qsige
NVD
EPSS 1% CVSS 9.8
CRITICAL POC Act Now

File Upload vulnerability in mojoPortal v.2.7.0.0 allows a remote attacker to execute arbitrary code via the Skin Management function. 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.

RCE File Upload Mojoportal
NVD GitHub
EPSS 1% CVSS 9.8
CRITICAL POC Act Now

File Upload vulnerability in mojoPortal v.2.7.0.0 allows a remote attacker to execute arbitrary code via the File Manager function. 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.

RCE File Upload Mojoportal
NVD GitHub
EPSS 1% CVSS 9.8
CRITICAL PATCH Act Now

Unrestricted Upload of File with Dangerous Type in GitHub repository thorsten/phpmyfaq prior to 3.1.8. 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.

File Upload Phpmyfaq
NVD GitHub
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Quick Facts

Typical Severity
HIGH
Category
web
Total CVEs
4271

Related CWEs

MITRE ATT&CK

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