CVE-2026-63304

EUVD-2026-44913
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.
OS Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
wwbnavideo
𝑥
≤ 29.0
CNA
Common Weakness Enumeration
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