Security Advisory

CVE-2026-18391

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-12 06:00:17

Last updated 2026-08-12 19:40:07

Assigner WPScan

CVSS score 9.8

State PUBLISHED

Description

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.

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