Is CVE-2026-63305 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-63305?

CVE-2026-63305 has a CVSS v3 severity of HIGH (8.1).

Back

CVE-2026-63305

Description

AVideo through 29.0 contains an OS command injection vulnerability in the ffmpeg.json.php endpoint where notifyCode and callback parameters are concatenated into a shell command without escaping. Attackers who can craft a valid encrypted payload can inject arbitrary shell metacharacters into these fields to execute OS commands as the web-server user.