CVE-2025-41051 Stored Cross-Site Scripting vulnerability in appRain CMF

Medium 5.1 Published 4 Sep 2025 Updated 4 Sep 2025

Authenticated attackers can inject malicious scripts via addon layout parameters in appRain CMF, potentially compromising user sessions.

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

What is CVE-2025-41051?

CVE-2025-41051 is a medium-severity cross-site scripting vulnerability in appRain CMF, published on 4 Sep 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A vulnerability has been discovered in appRain CMF version 4.0.5, consisting of a stored authenticated XSS due to a lack of proper validation of user input, through the 'data[Addon][layouts]' and 'data[Addon][layouts_except]' parameters in /apprain/developer/addons/update/bootstrap.

Weakness: CWE-79

Which versions are affected by CVE-2025-41051?

It affects 1 product.

Products include Apprain Apprain.

How do I fix CVE-2025-41051?

No fix has been published for CVE-2025-41051 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-2025-41051 being exploited?

There is no known exploitation of CVE-2025-41051 in the wild and no public exploit code.

Sources

Also known as GHSA-g67r-f86g-c54p.