CVE-2026-89239
WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a reflected cross-site scripting vulnerability in the showAlertMessage() function that inserts the raw Referer header into a JavaScript comment without encoding. Attackers can craft a Referer header containing */ to close the comment and inject arbitrary JavaScript that executes in the site origin for visitors arriving from the attacker-controlled page.
- Score
- CVSS 3.1 6.1 Medium
- Status
- Deferred - disclosure@vulncheck.com
- Published
- 2026-09-11
- Last modified
- 2026-09-11
- Weaknesses
- CWE-79
Affected products
References
- https://github.com/WWBN/AVideo/security/advisories/GHSA-3pp9-g99w-qw3j
- https://www.vulncheck.com/advisories/wwbn-avideo-reflected-xss-via-referer-header-comment-breakout
