CVE-2026-3347 Multi Functional Flexi Lightbox <= 1.2 - Authenticated (Admin+) Stored Cross-Site Scripting via 'message' Parameter

The Multi Functional Flexi Lightbox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the arvlbmessage parameter in all versions up to, and including, 1.2 due to insufficient input sanitization and output escaping. This is due to the arvlboptionsval sanitize callback returning...