Cross-site scripting in AVideo - CVE-2024-34899
Published: May 20, 2024 / Updated: November 8, 2026
Vulnerability identifier: #VU161912
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2024-34899
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an unauthenticated attacker to execute malicious scripts in the browser of a user viewing an affected AVideo page.
The vulnerability exists due to missing sanitization of the User-Agent header when AVideo renders view/about.php in response to a request. An unauthenticated attacker can supply a crafted User-Agent header to inject script into the generated page, which executes when the response is viewed in a browser.
Affected software
AVideo
How to mitigate CVE-2024-34899
Install security update from vendor's website.
AVideo - update to 14.3