CVE-2025-41420 Cross-site scripting in AVideo

Critical 9.6 Published Updated

An attacker can execute arbitrary JavaScript in a victim's browser via a crafted request to the userLogin cancelUri parameter in AVideo.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-41420?

CVE-2025-41420 is a critical cross-site scripting vulnerability in Wwbn Avideo, published on 24 Jul 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A cross-site scripting (xss) vulnerability exists in the userLogin cancelUri parameter functionality of WWBN AVideo 14.4 and dev master commit 8a8954ff. A specially crafted HTTP request can lead to arbitrary Javascript execution. An attacker can get a user to visit a webpage to trigger this vulnerability.

Weakness: CWE-79

Which versions are affected by CVE-2025-41420?

It affects 1 product.

Products include Wwbn Avideo.

How do I fix CVE-2025-41420?

No fix has been published for CVE-2025-41420 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-41420 being exploited?

There is no known exploitation of CVE-2025-41420 in the wild and no public exploit code.

All Wwbn Avideo vulnerabilities

Sources

Also known as GHSA-q8hh-q8j4-4vqq.

Is CVE-2025-41420 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free