Path Traversal in Wwbn Avideo
CVE-2026-124424
WWBN AVideo contains a path traversal vulnerability in plugin/AI/receiveAsync.json.php that allows holders of any valid AI token to write arbitrary .vtt files by injecting traversal sequences into the unsanitized response[lang] parameter. Attackers can send a type=translation request with a crafted lang value to plant attacker-controlled content in the webroot or overwrite other users' subtitle files.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- GitHub Security Advisory (GHSA-v64v-r7qm-w5x4) (vendor-advisory)
- VulnCheck Advisory: WWBN AVideo Path Traversal Arbitrary VTT File Write via receiveAsync.json.php (third-party-advisory)
Frequently asked questions
- What is CVE-2026-124424?
- CVE-2026-124424 is a high-severity vulnerability in Wwbn Avideo, classified under Path Traversal. CVSS score: 7.1/10. Published 2026-11-08.
- How severe is CVE-2026-124424?
- High severity. CVSS v3 base score is 7.1 out of 10.