Unknown Woocommerce Subscriptions vulnerabilities

1 vulnerability

Known vulnerabilities in Unknown Woocommerce Subscriptions, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

9.8CVE-2026-18391unknownwoocommerce subscriptions+1
EPSS score
0.96%
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 present in the bundled dependencies.