CVE-2026-18391 WooCommerce Subscriptions < 9.1.0 - Unauthenticated RCE via PHP Object Injection

The WooCommerce Subscriptions WordPress plugin before 9.1.0 does not validate user input before unserializing it on stores with High-Performance Order Storage enabled, leading to a PHP Object Injection issue which unauthenticated users can escalate to Remote Code Execution via a gadget chain...

CVE-2026-18391

The WooCommerce Subscriptions WordPress plugin (versions prior to 9.1.0 ) is vulnerable to PHP Object Injection when High-Performance Order Storage (HPOS) is enabled. The root cause is the lack of input validation before unserializing data in the WC_Subscriptions_Data_Copier::copy_data() function...

CVE-2026-18391 WooCommerce Subscriptions < 9.1.0 - Unauthenticated RCE via PHP Object Injection

The WooCommerce Subscriptions WordPress plugin before 9.1.0 does not validate user input before unserializing it on stores with High-Performance Order Storage enabled, leading to a PHP Object Injection issue which unauthenticated users can escalate to Remote Code Execution via a gadget chain...

EUVD-2026-57100

The WooCommerce Subscriptions WordPress plugin before 9.1.0 does not validate user input before unserializing it on stores with High-Performance Order Storage enabled, leading to a PHP Object Injection issue which unauthenticated users can escalate to Remote Code Execution via a gadget chain...

CVE-2026-18391: Unrestricted Upload of File with Dangerous Type

The WooCommerce Subscriptions WordPress plugin before 9.1.0 does not validate user input before unserializing it on stores with High-Performance Order Storage enabled, leading to a PHP Object Injection issue which unauthenticated users can escalate to Remote Code Execution via a gadget chain...

PT-2026-71025

The WooCommerce Subscriptions WordPress plugin before 9.1.0 does not validate user input before unserializing it on stores with High-Performance Order Storage enabled, leading to a PHP Object Injection issue which unauthenticated users can escalate to Remote Code Execution via a gadget chain...

WordPress Ajax Search Lite PHP Object Injection Vulnerability

WordPress Ajax Search Lite is a free WordPress plugin developed by wpdreams. It provides a real-time search experience where results are displayed immediately upon input. This plugin can replace the default search function and supports customization of content types and fields. However, WordPress...

WordPress AI ANN PHP Object Injection Vulnerability

WordPress is a free and open-source content management system CMS and blog platform built on PHP/MySQL. WordPress AI ANN suffers from a PHP object injection vulnerability. This vulnerability stems from improper handling of user input by the deserialization module, allowing attackers to inject...

WordPress: A Williams PHP Object Injection Vulnerability

WordPress A Williams is a commercial WordPress theme designed for secretaries, personal assistants, administrative staff, and consulting companies. WordPress A Williams has a PHP object injection vulnerability, which stems from improper deserialization of untrusted data, allowing for PHP object...

WordPress 69: PHP Object Injection Vulnerability

WordPress is a free and open-source content management system CMS and blog platform built on PHP/MySQL. WordPress 69 Clothing has a PHP object injection vulnerability, which stems from the lack of security checks on deserialized data by the program. Attackers can exploit this vulnerability to...

Security Bulletin: IBM InfoSphere Information Server is affected by multiple vulnerabilities in QOS.CH Sarl logback

Summary Multiple vulnerabilities in QOS.CH Sarl logback that is used by InfoSphere Information Server were addressed. Vulnerability Details CVEID:CVE-2026-9828 DESCRIPTION: Deserialization of untrusted data vulnerability in QOS.CH Sarl logback logback-core HardenedObjectInputStream logback-core...

WordPress Grand Spa theme <= 3.5.3 - PHP Object Injection vulnerability

PHP Object Injection vulnerability discovered by Bonds in WordPress Theme Grand Spa versions = 3.5.3...

WordPress Grand Car Rental theme <= 3.7.2 - PHP Object Injection vulnerability

PHP Object Injection vulnerability discovered by Bonds in WordPress Theme Grand Car Rental versions = 3.7.2...

CVE-2026-16267

The Newsletters WordPress plugin before 4.16 does not restrict the classes allowed when unserialising a value taken from a public form submission, allowing unauthenticated attackers to inject arbitrary PHP objects...

CVE-2026-16267

The Newsletters WordPress plugin before 4.16 does not restrict the classes allowed when unserialising a value taken from a public form submission, allowing unauthenticated attackers to inject arbitrary PHP objects...

CVE-2026-16267 Newsletters < 4.16 - Unauthenticated PHP Object Injection via Date Form Field

The Newsletters WordPress plugin before 4.16 does not restrict the classes allowed when unserialising a value taken from a public form submission, allowing unauthenticated attackers to inject arbitrary PHP objects...

EUVD-2026-54729

The Newsletters WordPress plugin before 4.16 does not restrict the classes allowed when unserialising a value taken from a public form submission, allowing unauthenticated attackers to inject arbitrary PHP objects...

CVE-2026-16267 Newsletters < 4.16 - Unauthenticated PHP Object Injection via Date Form Field

The Newsletters WordPress plugin before 4.16 does not restrict the classes allowed when unserialising a value taken from a public form submission, allowing unauthenticated attackers to inject arbitrary PHP objects...

CVE-2026-16267

The Newsletters WordPress plugin versions prior to 4.16 is vulnerable to PHP Object Injection . The root cause is the failure to restrict allowed classes when unserialising values received from public form submissions, specifically via a date form field . This allows unauthenticated attackers to ...

PT-2026-69168

Name of the Vulnerable Software and Affected Versions Newsletters WordPress plugin versions prior to 4.16 Description An issue exists where the software fails to restrict the classes allowed during the unserialization of values received from public form submissions. This allows unauthenticated...