CVE-2026-2121 Weaver Show Posts <= 1.8.1 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'Additional Classes to Wrap Posts' Widget Setting

The Weaver Show Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'addclass' parameter in all versions up to, and including, 1.8.1. This is due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticate...