Vulnerability details

CVE-2026-63305

WWBN AVideo

AVideo through 29.0 OS Command Injection via ffmpeg.json.php

CVSS 4.0
9.2Critical

Official description

AVideo through 29.0 contains an OS command injection vulnerability in the ffmpeg.json.php endpoint where notifyCode and callback parameters are concatenated into a shell command without escaping. Attackers who can craft a valid encrypted payload can inject arbitrary shell metacharacters into these fields to execute OS commands as the web-server user.

CVSS scores

ScoreVersionSourceVector
9.2Critical 4.0 CVEProject cvelistV5 (CNA) (VulnCheck) 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
8.1High 3.1 CVEProject cvelistV5 (CNA) (VulnCheck) CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
WWBN AVideo v ≤ 29.0 CVEProject cvelistV5 (CNA)

References and advisories

2
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Details

Published
2026-07-16
Last updated
2026-07-21
State
Published
Assigner (CNA)
VulnCheck

Exploit prediction (EPSS)

1.76%
Probability of exploitation in 30 days
78.2%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
Proof of concept
Technical impact
Total

Weaknesses (CWE)

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