CVE-2025-2159 Stored XSS in M-Files Admin user interface

Medium 5.1 Published Updated

Authenticated local users can execute arbitrary scripts via stored XSS in the M-Files Admin desktop interface.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-2159?

CVE-2025-2159 is a medium-severity cross-site scripting vulnerability in M-Files Admin, published on 4 Apr 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Stored XSS in Desktop UI in M-Files Server Admin tool before version 25.3.14681.7 on Windows allows authenticated local user to run scripts via UI

Weakness: CWE-79

Which versions are affected by CVE-2025-2159?

How do I fix CVE-2025-2159?

No fix has been published for CVE-2025-2159 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-2025-2159 being exploited?

There is no known exploitation of CVE-2025-2159 in the wild and no public exploit code.

Sources

Also known as GHSA-pc6c-whfr-9343.

Is CVE-2025-2159 in your software?

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