Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in AVideo - CVE-2026-39367

 

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in AVideo - CVE-2026-39367

Published: April 8, 2026


Vulnerability identifier: #VU125512
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-2026-39367
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to execute arbitrary script in the victim's browser.

The vulnerability exists due to cross-site scripting in the EPG page when rendering program titles from user-controlled XML content. A remote user can set a video's epg_link to a malicious XML file containing crafted program titles to execute arbitrary script in the victim's browser.

User interaction is required to visit the public EPG page, and the malicious content may persist due to server-side caching.


Affected software

AVideo

How to mitigate CVE-2026-39367

Install security update from vendor's website.

AVideo - update to 29.0

External References

Related Security Bulletins