VulnCheck KEV: CVE-2026-18391

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-2026-87854

The Subscriptions for WooCommerce WordPress plugin, in versions before 2.0.3 , is vulnerable to an unauthenticated subscription data disclosure . The root cause is an insufficient validation of the shared secret protecting one of its REST endpoints . This flaw allows unauthorized users to retriev...

CVE-2026-87860

The Subscriptions for WooCommerce WordPress plugin, in versions before 2.0.3 , is vulnerable to a Cross-Site Request Forgery (CSRF) flaw. The root cause is the failure to verify a security token on requests used to cancel a subscription. This allows an attacker to trick a logged-in customer into ...

PT-2026-93309

Name of the Vulnerable Software and Affected Versions Subscriptions for WooCommerce WordPress plugin versions prior to 2.0.3 Description An issue exists where the plugin fails to correctly validate the shared secret protecting a REST endpoint. This allows unauthenticated users to retrieve the...

WordPress Subscriptions for WooCommerce plugin < 2.0.1 - Payment Bypass via Attacker-Supplied PayPal Capture Token vulnerability

Payment Bypass via Attacker-Supplied PayPal Capture Token vulnerability discovered by Pedro Pinho in WordPress Plugin Subscriptions for WooCommerce versions 2.0.1...

WordPress Subscriptions for WooCommerce plugin < 2.0.1 - Subscriber+ Subscription Detail Disclosure via IDOR vulnerability

Subscriber+ Subscription Detail Disclosure via IDOR vulnerability discovered by Muni Nitish Kumar Yaddala in WordPress Plugin Subscriptions for WooCommerce versions 2.0.1...

WordPress WooCommerce Subscriptions plugin < 9.1.0 - Unauthenticated RCE via PHP Object Injection vulnerability

Unauthenticated RCE via PHP Object Injection vulnerability discovered by Vasily Belolapotkov, Vlad Olaru in WordPress Plugin WooCommerce Subscriptions versions 9.1.0...

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A proof of concept exploit for an unauthenticated PHP object injection vulnerability in WooCommerce Subscriptions versions prior to 9.1.0 when High-Performance Order Storage is enabled. Attacker-controlled data supplied through the User-Agent header can undergo unsafe deserialization during...

CVE-2026-18391

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 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 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

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

Name of the Vulnerable Software and Affected Versions WooCommerce Subscriptions versions prior to 9.1.0 Description Insufficient validation of user input before unserialization occurs on stores with High-Performance Order Storage enabled. This leads to a PHP Object Injection, which unauthenticate...

WordPress Subscriptions for WooCommerce: Insufficient Data Integrity Verification Vulnerability

WordPress Subscriptions for WooCommerce is the official paid extension of WooCommerce, known as "WooCommerceSubscriptions" a core subscription solution. WordPress Subscriptions for WooCommerce has a vulnerability related to data authenticity verification. This vulnerability arises from the fact...

CVE-2026-17016

The Accept PayPal & Stripe with Subscriptions for WooCommerce WordPress plugin through 3.1.0 does not validate the amount actually paid against the order total in its PayPal Data Transfer return handler, allowing a customer to pay less than the order total and still have the order marked as fully...

EUVD-2026-55027

The Accept PayPal & Stripe with Subscriptions for WooCommerce WordPress plugin through 3.1.0 does not validate the amount actually paid against the order total in its PayPal Data Transfer return handler, allowing a customer to pay less than the order total and still have the order marked as fully...

CVE-2026-17016

The Accept PayPal & Stripe with Subscriptions for WooCommerce WordPress plugin, version 3.1.0 and below , is vulnerable to a payment bypass due to a lack of validation in its PayPal Data Transfer return handler . When the PayPal Data Transfer feature is enabled, the plugin fails to verify the amo...