CVE-2026-33647 AVideo Vulnerable to Remote Code Execution via MIME/Extension Mismatch in ImageGallery File Upload

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the ImageGallery::saveFile method validates uploaded file content using finfo MIME type detection but derives the saved filename extension from the user-supplied original filename without an allowlist check. An...