CVE-2026-63304

HIGH 8.1

AVideo through 29.0 OS Command Injection via listFFmpegProcesses

CVSS Score

8.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-78
Vendor	wwbn
Product	avideo
Published	Jul 16, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

WWBN / AVideo

0 ≤ 29.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 tonghuaroot