Cross-site scripting in AVideo - CVE-2026-47694
Published: November 11, 2026
Vulnerability identifier: #VU165919
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2026-47694
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute JavaScript in other users' browsers, access same-origin data, and perform actions as victims.
The vulnerability exists due to missing output encoding in AVideo's Gallery view when rendering stored category descriptions as raw HTML. A remote user can create or edit a category description containing <img src=x onerror=alert(document.domain)> to execute JavaScript when a victim views the affected category page, provided the Gallery view is enabled and at least one video is assigned to the category.
Affected software
AVideo
How to mitigate CVE-2026-47694
Install security update from vendor's website.
AVideo - update to 29.1.0