CVE-2025-2196 MRCMS org.marker.mushroom.controller.FileController upload.do upload cross site scripting

Medium 5.1 Published Updated

Remote attackers can execute arbitrary scripts via the file upload path parameter in MRCMS, 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-2025-2196?

CVE-2025-2196 is a medium-severity cross-site scripting vulnerability in MRCMS, published on 11 Mar 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 was found in MRCMS 3.1.2. It has been declared as problematic. Affected by this vulnerability is the function upload of the file /admin/file/upload.do of the component org.marker.mushroom.controller.FileController. The manipulation of the argument path leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2025-2196?

It affects 1 product.

Products include Mrcms Mrcms.

How do I fix CVE-2025-2196?

No fix has been published for CVE-2025-2196 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-2025-2196 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-2196 exists.

Sources

Also known as GHSA-3gj6-xgvp-x3gj.

Is CVE-2025-2196 in your software?

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

Check your SBOMs for free