CVE-2025-13650 REFLECTED CROSS-SITE SCRIPTING (XSS) ON MICROCOM'S ZEUSWEB

Medium 5.1 Published 11 Feb 2026 Updated 11 Feb 2026

An attacker can inject arbitrary JavaScript via the Surname parameter in the Create Account operation, potentially leading to code execution or account takeover.

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-2025-13650?

CVE-2025-13650 is a medium-severity cross-site scripting vulnerability in Microcom ZeusWeb, published on 11 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

An attacker with access to the web application ZeusWeb of the provider Microcom (in this case, registration is not necessary, but the action must be performed) who has the vulnerable software could introduce arbitrary JavaScript by injecting an XSS payload into the ‘Surname’ parameter of the ‘Create Account’ operation at the URL: https://zeus.microcom.es:4040/index.html?zeus6=true . This issue affects ZeusWeb: 6.1.31.

Weakness: CWE-79

Which versions are affected by CVE-2025-13650?

It affects 1 product.

Products include Microcom360 Zeusweb.

How do I fix CVE-2025-13650?

No fix has been published for CVE-2025-13650 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-2025-13650 being exploited?

There is no known exploitation of CVE-2025-13650 in the wild and no public exploit code.

Sources

Also known as GHSA-vpqr-79qg-79p9.