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Insecure Deserialization

web CRITICAL

Insecure deserialization occurs when an application converts serialized data (a stream of bytes representing an object's state) back into a living object without proper validation.

How It Works

Insecure deserialization occurs when an application converts serialized data (a stream of bytes representing an object's state) back into a living object without proper validation. Serialization frameworks in languages like Java, PHP, Python, and .NET allow objects to be transformed into byte streams for storage or transmission, then reconstructed later. The vulnerability arises because deserialization can trigger code execution through the object's methods during reconstruction.

Attackers exploit this by crafting malicious serialized payloads containing specially chosen objects that chain together through "gadget chains" — sequences of method calls in existing application libraries. When the application deserializes the attacker's payload, it automatically invokes these methods in sequence, ultimately achieving arbitrary code execution. For example, in Java applications, an attacker might create a serialized object that, when deserialized, triggers a chain through Apache Commons Collections classes, ending in runtime command execution.

The attack typically begins with identifying an endpoint that accepts serialized data — often in cookies, API parameters, or message queue payloads. The attacker then uses tools like ysoserial (Java) or phpggc (PHP) to generate weaponized payloads targeting known gadget chains in the application's dependencies. Because deserialization happens automatically and often before any application logic executes, these attacks frequently bypass authentication and input validation.

Impact

  • Remote code execution — attackers gain complete control of the server, executing arbitrary system commands
  • Authentication bypass — deserializing manipulated user/session objects grants unauthorized access without credentials
  • Privilege escalation — modifying serialized role or permission objects to gain administrative access
  • Data exfiltration — reading sensitive files or database contents through executed code
  • Denial of service — crafting objects that consume excessive memory or CPU during deserialization

Real-World Examples

SolarWinds Web Help Desk suffered two separate deserialization vulnerabilities in rapid succession. CVE-2025-40551 allowed unauthenticated attackers to achieve remote code execution by sending malicious serialized Java objects to the application. Even after patching, researchers discovered a second deserialization flaw in the same product, demonstrating how deeply embedded these vulnerabilities can be in application architectures.

Jenkins automation servers have experienced multiple Java deserialization vulnerabilities where attackers exploited the CLI protocol to send crafted objects, gaining full control over build servers. These attacks were particularly severe because Jenkins instances often have extensive network access and stored credentials for deploying applications.

WordPress and other PHP applications have faced attacks through unserialize() vulnerabilities in plugins, where attackers embedded malicious PHP objects in user-controllable data fields. Successful exploitation enabled attackers to install backdoors by writing arbitrary PHP files to the web root.

Mitigation

  • Avoid deserializing untrusted data entirely — redesign systems to use data-only formats like JSON instead of native serialization
  • Implement strict allowlists — configure deserialization libraries to only accept explicitly permitted classes, blocking all others
  • Apply cryptographic signatures — sign serialized data and validate signatures before deserialization to ensure integrity
  • Use isolated environments — deserialize in sandboxed processes with minimal privileges to contain potential exploitation
  • Update vulnerable libraries — patch frameworks and remove dependencies with known gadget chains
  • Monitor deserialization activity — log and alert on deserialization operations, especially from external sources

Recent CVEs (3144)

EPSS 1% CVSS 6.6
MEDIUM This Month

Deserialization of Untrusted Data vulnerability in Drupal Eloqua allows Object Injection.X-* before 7.X-1.15. Rated medium severity (CVSS 6.6), this vulnerability is remotely exploitable. No vendor patch available.

Deserialization Drupal Eloqua
NVD
EPSS 0% CVSS 6.6
MEDIUM PATCH This Month

Deserialization of Untrusted Data vulnerability in Drupal Mailjet allows Object Injection.0.0 before 4.0.1. Rated medium severity (CVSS 6.6), this vulnerability is remotely exploitable. No vendor patch available.

Deserialization Drupal Mailjet
NVD
EPSS 0% CVSS 6.6
MEDIUM This Month

Deserialization of Untrusted Data vulnerability in Drupal Node export allows Object Injection.X-* before 7.X-3.3. Rated medium severity (CVSS 6.6), this vulnerability is remotely exploitable. No vendor patch available.

Deserialization Drupal Node Export
NVD
EPSS 0% CVSS 4.3
MEDIUM PATCH Monitor

Deserialization of Untrusted Data vulnerability in Drupal Monster Menus allows Object Injection.0.0 before 9.3.4, from 9.4.0 before 9.4.2. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization Drupal Monster Menus +1
NVD
EPSS 15% CVSS 7.2
HIGH Act Now

Deserialization of Untrusted Data vulnerability in Konrad Karpieszuk WC Price History for Omnibus allows Object Injection.1.4. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 14.8% and no vendor patch available.

WordPress Deserialization Wordpress Plugin
NVD
EPSS 0% CVSS 5.3
MEDIUM PATCH This Month

There is a deserialization of untrusted data vulnerability in the Kredis JSON deserialization code. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Deserialization Suse
NVD
EPSS 6% CVSS 9.8
CRITICAL PATCH This Week

Vendor: The Apache Software Foundation Versions Affected: Apache OpenMeetings from 2.1.0 before 8.0.0 Description: Default clustering instructions at https://openmeetings.apache.org/Clustering.html. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Apache Deserialization Openmeetings
NVD
EPSS 0% CVSS 8.8
HIGH POC This Week

An issue was discovered in SuiteCRM 7.12.7. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RCE Deserialization Suitecrm +1
NVD GitHub
EPSS 1% CVSS 8.1
HIGH This Week

Deserialization of Untrusted Data vulnerability in plainware.com PlainInventory allows Object Injection.1.6. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

WordPress Deserialization Wordpress Plugin
NVD
EPSS 1% CVSS 8.1
HIGH This Week

Deserialization of Untrusted Data vulnerability in plainware.com Locatoraid Store Locator allows Object Injection.9.50. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

WordPress Deserialization Wordpress Plugin
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Deserialization of Untrusted Data vulnerability in Amento Tech Pvt ltd WPGuppy allows Object Injection.1.0. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

WordPress Deserialization Wordpress Plugin
NVD
EPSS 2% CVSS 8.1
HIGH This Week

The Compare Products for WooCommerce plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 3.2.1 via deserialization of untrusted input from the. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

PHP WordPress Information Disclosure +1
NVD
EPSS 1% CVSS 7.2
HIGH This Week

The Custom Product Tabs for WooCommerce plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.8.5 via deserialization of untrusted input in the. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP WordPress Information Disclosure +4
NVD
EPSS 7% CVSS 7.5
HIGH This Month

In Modem, there is a possible system crash due to a logic error. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Deserialization Mediatek +5
NVD
EPSS 0% CVSS 5.3
MEDIUM POC This Month

A vulnerability was found in wangl1989 mysiteforme 1.0 and classified as critical. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Java Deserialization Mysiteforme +1
NVD GitHub VulDB
EPSS 1% CVSS 8.8
HIGH This Month

The UpdraftPlus: WP Backup & Migration Plugin plugin for WordPress is vulnerable to PHP Object Injection in all versions from 1.23.8 to 1.24.11 via deserialization of untrusted input in the. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

PHP WordPress Information Disclosure +1
NVD
EPSS 2% CVSS 8.8
HIGH This Month

The Backup Migration plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.4.6 via deserialization of untrusted input in the. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

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

Deserialization of Untrusted Data vulnerability in azzaroco WP SuperBackup indeed-wp-superbackup.3.3. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. No vendor patch available.

WordPress Deserialization Wordpress Plugin
NVD
EPSS 1% CVSS 5.3
MEDIUM This Month

A vulnerability was found in running-elephant Datart 1.0.0-rc3. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Deserialization File Upload
NVD GitHub VulDB
EPSS 24% CVSS 10.0
CRITICAL PATCH Act Now

The ObjectSerializationDecoder in Apache MINA uses Java’s native deserialization protocol to process incoming serialized data but lacks the necessary security checks and defenses. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Apache Java +2
NVD
EPSS 1% CVSS 7.2
HIGH This Week

The Custom Product Tabs For WooCommerce plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.2.4 via deserialization of untrusted input from the. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP WordPress Information Disclosure +3
NVD
EPSS 0% CVSS 8.5
HIGH This Week

Delta Electronics DTM Soft deserializes objects, which could allow an attacker to execute arbitrary code. Rated high severity (CVSS 8.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

RCE Deserialization
NVD
EPSS 4% CVSS 8.4
HIGH This Week

A deserialization of untrusted data vulnerability exists in NI DAQExpress that may result in remote code execution. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

RCE Deserialization
NVD
EPSS 37% CVSS 9.8
CRITICAL Emergency

Unsafe PHP object deserialization in the VRPConnector WordPress plugin (versions up to and including 2.0.1) by denniskravetstns enables remote code execution through PHP Object Injection. Remote attackers can submit crafted serialized payloads that, when unserialized, instantiate attacker-controlled objects and trigger magic methods leading to arbitrary code execution; no public exploit identified at time of analysis, but EPSS places this in the 97th percentile (36.92%) indicating elevated exploitation likelihood.

WordPress Deserialization Wordpress Plugin
NVD
EPSS 1% CVSS 8.6
HIGH This Week

Deserialization of Untrusted Data vulnerability in PlexTrac (Runbooks modules) which allows Object Injection and arbitrary file writes.61.3 before 2.8.1. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Deserialization Plextrac
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

In Progress Telerik UI for WPF versions prior to 2024 Q4 (2024.4.1213), a code execution attack is possible through an insecure deserialization vulnerability. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Deserialization Ui For Wpf +1
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Deserialization of Untrusted Data vulnerability in Ultimate Member ForumWP forumwp allows Object Injection.1.0. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

WordPress Deserialization Forumwp +2
NVD
EPSS 1% CVSS 7.2
HIGH This Week

Deserialization of Untrusted Data vulnerability in Themeum WP Mega Menu wp-megamenu allows Object Injection.4.2. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

WordPress Deserialization Wordpress Plugin
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Deserialization of Untrusted Data vulnerability in PickPlugins Mail Picker mail-picker allows Object Injection.0.14. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

WordPress Deserialization Wordpress Plugin
NVD
EPSS 0% CVSS 8.6
HIGH This Week

Deserialization of Untrusted Data vulnerability in PlexTrac (Runbooks modules) which allows Object Injection and arbitrary file writes.61.3 before 2.8.1. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Deserialization Plextrac
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Deserialization of untrusted data in Microsoft Update Catalog allows an unauthorized attacker to elevate privileges on the website’s webserver. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization Microsoft Update Catalog
NVD
EPSS 1% CVSS 8.1
HIGH This Week

The Print Science Designer plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.3.152 via deserialization of untrusted input through the. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

PHP WordPress Information Disclosure +1
NVD
EPSS 2% CVSS 7.4
HIGH This Week

Microsoft SharePoint Remote Code Execution Vulnerability. Rated high severity (CVSS 7.4), this vulnerability is no authentication required. No vendor patch available.

RCE Deserialization Microsoft +1
NVD
EPSS 2% CVSS 8.4
HIGH This Week

Microsoft/Muzic Remote Code Execution Vulnerability. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

RCE Deserialization Microsoft +1
NVD
EPSS 1% CVSS 8.8
HIGH This Week

GFI Archiver Store Service Deserialization of Untrusted Data Remote Code Execution Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RCE Deserialization Archiver +1
NVD
EPSS 1% CVSS 8.8
HIGH This Week

GFI Archiver Core Service Deserialization of Untrusted Data Remote Code Execution Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RCE Deserialization Archiver +1
NVD
EPSS 1% CVSS 8.8
HIGH This Week

In Splunk Enterprise versions below 9.3.2, 9.2.4, and 9.1.7, and versions below 3.4.261 and 3.7.13 of the Splunk Secure Gateway app on Splunk Cloud Platform, a low-privileged user that does not hold. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RCE Deserialization Splunk
NVD
EPSS 0% CVSS 8.4
HIGH This Week

A vulnerability has been identified in SIMATIC S7-PLCSIM V16 (All versions), SIMATIC S7-PLCSIM V17 (All versions), SIMATIC STEP 7 Safety V16 (All versions), SIMATIC STEP 7 Safety V17 (All versions <. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

RCE Deserialization
NVD
EPSS 1% CVSS 9.8
CRITICAL PATCH Act Now

Deserialization of Untrusted Data vulnerability in Drupal Core allows Object Injection.0 before 7.102, from 8.0.0 before 10.2.11, from 10.3.0 before 10.3.9. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Deserialization Drupal
NVD
EPSS 1% CVSS 9.8
CRITICAL PATCH Act Now

Deserialization of Untrusted Data vulnerability in Drupal Core allows Object Injection.0.0 before 10.2.11, from 10.3.0 before 10.3.9, from 11.0.0 before 11.0.8. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Deserialization Drupal
NVD
EPSS 1% CVSS 9.8
CRITICAL PATCH Act Now

Deserialization of Untrusted Data vulnerability in Drupal Core allows Object Injection.0.0 before 10.2.11, from 10.3.0 before 10.3.9, from 11.0.0 before 11.0.8. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Deserialization Drupal
NVD
EPSS 1% CVSS 8.8
HIGH This Week

The Gallery plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.3 via deserialization of untrusted input from wd_gallery_$id parameter. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP WordPress Information Disclosure +1
NVD
EPSS 1% CVSS 9.8
CRITICAL POC PATCH Act Now

ClipBucket V5 provides open source video hosting with PHP. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

PHP Deserialization Clipbucket +1
NVD GitHub
EPSS 1% CVSS 8.8
HIGH POC PATCH This Week

ClipBucket V5 provides open source video hosting with PHP. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

PHP Deserialization Clipbucket +1
NVD GitHub
EPSS 1% CVSS 5.3
MEDIUM POC This Month

A vulnerability classified as critical was found in horilla up to 1.2.1. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Deserialization Horilla
NVD GitHub VulDB
EPSS 1% CVSS 8.8
HIGH This Week

The Interactive Contact Form and Multi Step Form Builder with Drag & Drop Editor - Funnelforms Free plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including,. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP WordPress Information Disclosure +1
NVD
EPSS 15% CVSS 8.1
HIGH This Week

A vulnerability in Veeam Backup & Replication allows a low-privileged user to connect to remoting services and exploit insecure deserialization by sending a serialized temporary file collection. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Deserialization Veeam Backup Replication +1
NVD
EPSS 1% CVSS 9.8
CRITICAL POC Act Now

Insecure deserialization in Hodoku v2.3.0 to v2.3.2 allows attackers to execute arbitrary code. 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 Deserialization
NVD GitHub
EPSS 1% CVSS 9.8
CRITICAL Act Now

JFinal CMS 5.1.0 is vulnerable to Command Execution via unauthorized execution of deserialization in the file ApiForm.java. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization Jfinal Cms Jflyfox
NVD GitHub
EPSS 2% CVSS 9.8
CRITICAL PATCH Act Now

Deserialization of untrusted data in IPC and Parquet readers in the Apache Arrow R package versions 4.0.0 through 16.1.0 allows arbitrary code execution. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

RCE Python Apache +2
NVD GitHub
EPSS 1% CVSS 9.8
CRITICAL Act Now

A java deserialization vulnerability in HPE Remote Insight Support may allow an unauthenticated attacker to execute code. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Java Deserialization Insight Remote Support +1
NVD
EPSS 1% CVSS 9.3
CRITICAL Act Now

Valor Apps Easy Folder Listing Pro has a deserialization vulnerability that allows an unauthenticated, remote attacker to execute arbitrary code with the privileges of the Joomla!. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Deserialization Easy Folder Listing Pro
NVD GitHub
EPSS 1% CVSS 5.3
MEDIUM This Month

A vulnerability was found in welliamcao OpsManage 3.0.1/3.0.2/3.0.3/3.0.4/3.0.5. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Deserialization
NVD GitHub VulDB
EPSS 1% CVSS 9.8
CRITICAL Act Now

An issue was discovered in the server in Veritas Enterprise Vault before 15.2, ZDI-CAN-24405. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Deserialization Hashicorp +2
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

An issue was discovered in the server in Veritas Enterprise Vault before 15.2, ZDI-CAN-24344. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Deserialization Hashicorp +2
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

An issue was discovered in the server in Veritas Enterprise Vault before 15.2, ZDI-CAN-24343. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Deserialization Hashicorp +2
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

An issue was discovered in the server in Veritas Enterprise Vault before 15.2, ZDI-CAN-24341. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Deserialization Hashicorp +2
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

An issue was discovered in the server in Veritas Enterprise Vault before 15.2, ZDI-CAN-24339. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Deserialization Hashicorp +2
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

An issue was discovered in the server in Veritas Enterprise Vault before 15.2, ZDI-CAN-24336. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Deserialization Hashicorp +2
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

An issue was discovered in the server in Veritas Enterprise Vault before 15.2, ZDI-CAN-24334. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Deserialization Hashicorp +2
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

The FluentSMTP - WP SMTP Plugin with Amazon SES, SendGrid, MailGun, Postmark, Google and Any SMTP Provider plugin for WordPress is vulnerable to PHP Object Injection 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 Information Disclosure +2
NVD
EPSS 2% CVSS 8.8
HIGH PATCH This Week

Hugging Face Transformers Trax Model Deserialization of Untrusted Data Remote Code Execution Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Deserialization Transformers +1
NVD
EPSS 3% CVSS 8.8
HIGH PATCH This Week

Hugging Face Transformers MaskFormer Model Deserialization of Untrusted Data Remote Code Execution Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Deserialization Transformers +1
NVD
EPSS 7% CVSS 8.8
HIGH POC PATCH This Week

Hugging Face Transformers MobileViTV2 Deserialization of Untrusted Data Remote Code Execution Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Deserialization Transformers +1
NVD Exploit-DB
EPSS 2% CVSS 7.2
HIGH This Week

Allegra loadFieldMatch Deserialization of Untrusted Data Remote Code Execution Vulnerability. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RCE Deserialization Allegra +1
NVD
EPSS 2% CVSS 7.2
HIGH This Week

Allegra renderFieldMatch Deserialization of Untrusted Data Remote Code Execution Vulnerability. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RCE Deserialization Allegra +1
NVD
EPSS 1% CVSS 7.2
HIGH This Week

The Grid View Gallery plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.0 via deserialization of untrusted input from cs_all_photos_details parameter. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP WordPress Information Disclosure +1
NVD
EPSS 1% CVSS 8.8
HIGH This Week

The Clone plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 2.4.6 via deserialization of untrusted input in the 'recursive_unserialized_replace'. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

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

Deserialization of Untrusted Data vulnerability in ModelTheme QRMenu Restaurant QR Menu Lite qrmenu-lite allows Object Injection.0.4. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

WordPress Deserialization Wordpress Plugin
NVD
EPSS 0% CVSS 9.8
CRITICAL Act Now

Deserialization of Untrusted Data vulnerability in masikonis Geolocator geolocator allows Object Injection.1. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

WordPress Deserialization Wordpress Plugin
NVD
EPSS 0% CVSS 9.8
CRITICAL Act Now

Deserialization of Untrusted Data vulnerability in xpresslane Xpresslane Fast Checkout xpresslane-integration-for-woocommerce allows Object Injection.0.0. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

WordPress Deserialization
NVD
EPSS 0% CVSS 9.8
CRITICAL Act Now

Deserialization of Untrusted Data vulnerability in Mark O'Donnell Team Rosters team-rosters allows Object Injection.8.2. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

WordPress Deserialization Wordpress Plugin
NVD
EPSS 0% CVSS 7.3
HIGH This Week

There exists a code execution vulnerability in the Car App Android Jetpack Library. Rated high severity (CVSS 7.3). No vendor patch available.

RCE Java Deserialization +2
NVD
EPSS 1% CVSS 9.1
CRITICAL Act Now

Deserialization of Untrusted Data vulnerability in supsystic Popup by Supsystic popup-by-supsystic allows Command Injection.10.29. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

WordPress Deserialization Command Injection +3
NVD
EPSS 81% 5.9 CVSS 9.8
CRITICAL POC THREAT Emergency

Unauthenticated PHP object injection in the Mindstien Technologies 'My Geo Posts Free' WordPress plugin (versions up to and including 1.2) allows remote attackers to deserialize attacker-controlled data, potentially leading to full site compromise. The flaw is rated CVSS 9.8 and carries an EPSS of 80.62% (99th percentile), indicating very high probability of near-term exploitation, though no public exploit identified at time of analysis.

WordPress Deserialization My Geo Posts Free +1
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Deserialization of Untrusted Data vulnerability in NIX Solutions Ltd NIX Anti-Spam Light nix-anti-spam-light allows Object Injection.0.4. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

WordPress Deserialization Nix Anti Spam Light +1
NVD
EPSS 32% CVSS 9.8
CRITICAL Emergency

Untrusted data deserialization in the Lis Video Gallery WordPress plugin (versions through 0.2.1) by bublick allows remote attackers to perform PHP object injection, potentially leading to arbitrary code execution depending on gadget chains available in the WordPress instance. The CVSS 9.8 score and EPSS of 31.81% (97th percentile) signal elevated exploitation likelihood, though no public exploit identified at time of analysis. The flaw was disclosed via Patchstack and affects WordPress sites running this plugin.

WordPress Deserialization Video Gallery +1
NVD
EPSS 12% CVSS 9.9
CRITICAL Act Now

Deserialization of untrusted data in the Vollstart Event Tickets with Ticket Scanner WordPress plugin (versions up to and including 2.3.11) enables Server-Side Include (SSI) Injection, allowing authenticated low-privilege attackers to execute arbitrary code with scope-changing impact across the affected WordPress instance. With an EPSS score of 12.22% (94th percentile) and CVSS 9.9, this represents a high-priority issue, though no public exploit identified at time of analysis. The vulnerability was disclosed by Patchstack and impacts WordPress sites running this plugin.

WordPress Deserialization Event Tickets With Ticket Scanner +2
NVD
EPSS 1% CVSS 8.8
HIGH This Week

Deserialization of Untrusted Data vulnerability in Apache HertzBeat. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Apache Deserialization Hertzbeat
NVD
EPSS 0% CVSS 9.8
CRITICAL Act Now

Deserialization of Untrusted Data vulnerability in Anthony Carbon WDES Responsive Mobile Menu wdes-responsive-mobile-menu allows Object Injection.3.18. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

WordPress Deserialization Wordpress Plugin
NVD
EPSS 3% CVSS 9.8
CRITICAL Act Now

Remote code execution in the dmcwebzone Airin Blog WordPress plugin (versions up to and including 1.6.1) is possible through PHP Object Injection via deserialization of untrusted data. Unauthenticated network attackers can exploit this CWE-502 weakness to compromise affected WordPress sites with no user interaction, and while no public exploit identified at time of analysis, the EPSS score of 2.82% (86th percentile) indicates above-average exploitation interest.

WordPress Deserialization Wordpress Theme
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Deserialization of Untrusted Data vulnerability in Stephen Cui Xin xin allows Object Injection.0.8.1. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

WordPress Deserialization Wordpress Theme
NVD
EPSS 0% CVSS 9.8
CRITICAL Act Now

Deserialization of Untrusted Data vulnerability in flowcraft Advanced Personalization personalization-by-flowcraft allows Object Injection.1.2. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

WordPress Deserialization Wordpress Plugin
NVD
EPSS 0% CVSS 9.8
CRITICAL Act Now

Deserialization of Untrusted Data vulnerability in Phoenixheart Referrer Detector referrer-detector allows Object Injection.2.1.0. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

WordPress Deserialization Wordpress Plugin
NVD
EPSS 0% CVSS 9.8
CRITICAL Act Now

Deserialization of Untrusted Data vulnerability in Phoenixheart AJAX Random Posts ajax-random-posts allows Object Injection.3.3. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

WordPress Deserialization Wordpress Plugin
NVD
EPSS 0% CVSS 9.1
CRITICAL Act Now

Deserialization of Untrusted Data vulnerability in Eric Teubert Podlove Podcast Publisher podlove-podcasting-plugin-for-wordpress.1.15. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

WordPress Deserialization Podlove Podcast Publisher +2
NVD
EPSS 1% CVSS 7.2
HIGH PATCH This Week

A deserialization issue in Kibana can lead to arbitrary code execution when Kibana attempts to parse a YAML document containing a crafted payload. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.

RCE Deserialization Elastic +1
NVD
EPSS 1% CVSS 8.8
HIGH PATCH This Week

The Migration, Backup, Staging - WPvivid plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 0.9.107 via deserialization of untrusted input in the. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.

PHP WordPress Information Disclosure +4
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Week

In onReceive of AppRestrictionsFragment.java, there is a possible escalation of privilege due to unsafe deserialization. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.

Privilege Escalation Deserialization Google +1
NVD
EPSS 1% CVSS 9.8
CRITICAL PATCH Act Now

FileManager provides a Backpack admin interface for files and folder. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.

RCE Deserialization Filemanager
NVD GitHub
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Quick Facts

Typical Severity
CRITICAL
Category
web
Total CVEs
3144

Related CWEs

MITRE ATT&CK

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