CVE-2026-63304 | AVideo through 29.0 contains an OS command injection vulnera… | CVSS 8.1 HIGH

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.

Metadata

CVE ID: CVE-2026-63304
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-07-16 12:13 UTC
Published: 2026-07-16 12:19 UTC
Last updated: 2026-07-16 12:19 UTC
Primary CWE: CWE-78
Improper Neutralization of Special Elements used in an OS Co…
Vendor / Product: WWBN / AVideo
Sources: cve.org · NVD

Severity & Metrics

8.1 HIGH CVSS 3.1

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

Affected products (1)

Vendor	Product	Platform	Versions
WWBN	AVideo	—	0 ≤ 29.0

Weakness (CWE)

CWE	Source	Description
CWE-78	cna	Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSS scores (2)

Score	Severity	Version	Source	Vector
9.2	CRITICAL	4.0	cna	CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.1	HIGH	3.1	cna	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References (2)

GitHub Security Advisory (GHSA-j44m-77cc-p3cc) https://github.com/WWBN/AVideo/security/advisories/GHSA-j44m-77cc-p3cc
VulnCheck Advisory: AVideo through 29.0 OS Command Injection via listFFmpegProcesses https://www.vulncheck.com/advisories/avideo-through-os-command-injection-via-listffmpegprocesses