Vulnerability · Published Jul 16, 2026 · Assigned by VulnCheck

CVE-2026-63304AVideo through 29.0 OS Command Injection via listFFmpegProcesses

High 8.1

In plain English

A high-severity OS command injection in AVideo from WWBN. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 78% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)1.7%top 22.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

AVideo through 29.0 contains an OS command injection vulnerability in plugin/API/standAlone/functions.php where the listFFmpegProcesses() function interpolates unsanitized keyword parameters inside single quotes without escaping. Attackers who can craft a valid encrypted codeToExec payload can break out of the single-quoted grep context and execute arbitrary OS commands as the web-server user.

Affected products (as reported)

Vendor	Product	Versions
WWBN	AVideo	0 – through 29.0

Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

GitHub Security Advisory (GHSA-j44m-77cc-p3cc) vendor-advisory
VulnCheck Advisory: AVideo through 29.0 OS Command Injection via listFFmpegProcesses third-party-advisory