by Kastro
Paper/Archive/CVE-2026-63304

CVE-2026-63304

WWBN AVideo — AVideo through 29.0 OS Command Injection via listFFmpegProcesses

EPSS 2%public exploitCVSS 9.2
critical.is priorityof 100
53
CVSS 9.2 (CNA)9.2 / 10 × 3027.6Not in CISA KEV+300.0EPSS percentile 77.6.776 × 2015.5Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
AVideo≤ 29.0–CNA

Scores by source

VulnCheck (CNA)9.2CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
VulnCheck (CNA)8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

exploitgithub.com/WWBN/AVideo/security/advisories/GHSA-j44m-77cc-p3ccwriteupvulncheck.com/advisories/avideo-through-os-command-injection-via-listffmpegprocesses