Description
AVideo before 29.1.0 contains a stored cross-site scripting vulnerability in the video trailer1 field rendered unsanitized within an inline onclick JavaScript string. Attackers with video upload permission can store HTML entity-encoded payloads that bypass isValidURL() validation and are decoded by the browser to break out of the JavaScript string, executing arbitrary code in any visitor's session including administrators.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NWeakness enumeration
Affected software
Source: the vendor's advisory (CNA). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| WWBN | AVideo | < 29.1.0 |
References
- https://github.com/WWBN/AVideo/commit/40b3267760924389c626a549bb1c6fd013b3b29c
- https://github.com/WWBN/AVideo/security/advisories/GHSA-v7vx-v9q9-qhw3
- https://www.vulncheck.com/advisories/avideo-stored-xss-via-html-entity-bypass-in-trailer1-field
- https://github.com/WWBN/AVideo/security/advisories/GHSA-v7vx-v9q9-qhw3
Timeline
- Published
- Sep 26, 2026
- Last modified
- Oct 4, 2026
- NVD status
- Awaiting Analysis