CVE-2026-33482 AVideo has an OS Command Injection via $() Shell Substitution Bypass in sanitizeFFmpegCommand()

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the sanitizeFFmpegCommand function in plugin/API/standAlone/functions.php is designed to prevent OS command injection in ffmpeg commands by stripping dangerous shell metacharacters &&, ;, |, , . However, it fails ...