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

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-16 · updated 2026-10-24
Weakness: CWE-78

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

WWBN AVideo: through 29.0

References

https://github.com/WWBN/AVideo/security/advisories/GHSA-j44m-77cc-p3cc
https://www.vulncheck.com/advisories/avideo-through-os-command-injection-via-listffmpegprocesses
https://github.com/WWBN/AVideo/security/advisories/GHSA-j44m-77cc-p3cc

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