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CVE-2025-41681 Persistent Cross-Site Scripting via POST Requests Due to Improper Neutralization of Input

Medium 4.8 Published Updated

High-privileged attackers can inject persistent scripts via POST requests in Helmholz and MB connect line devices, potentially executing code or hijacking sessions.

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

What is CVE-2025-41681?

CVE-2025-41681 is a medium-severity cross-site scripting vulnerability in Helmholz REX 100, published on 21 Jul 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

A high privileged remote attacker can gain persistent XSS via POST requests due to improper neutralization of special elements used to create dynamic content.

Weakness: CWE-79

Which versions are affected by CVE-2025-41681?

It affects 1 product.

Products include Mbconnectline Mbnet.mini Firmware.

How do I fix CVE-2025-41681?

No fix has been published for CVE-2025-41681 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-2025-41681 being exploited?

There is no known exploitation of CVE-2025-41681 in the wild and no public exploit code.

Sources

Also known as GHSA-2vx3-x6q5-g22g.

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