CVE-2026-109234 Meow Lightbox <= 5.6.4 - Unauthenticated Stored Cross-Site Scripting via HTML Parser Quote-Metadata Desynchronization

The Meow Lightbox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'postcontent bbPress reply body' parameter in all versions up to, and including, 5.6.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to...