Microcom ZeusWeb 6.1.31 Create Account Surname cross site scripting

Summaryinfo

A vulnerability described as problematic has been identified in Microcom ZeusWeb 6.1.31. This issue affects some unknown processing of the component Create Account Handler. Executing a manipulation of the argument Surname can lead to cross site scripting. This vulnerability appears as CVE-2025-13650. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in Microcom ZeusWeb 6.1.31. This vulnerability affects an unknown code block of the component Create Account Handler. The manipulation of the argument Surname with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

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.

The weakness was presented by Aarón Flecha Menéndez and Víctor Bello Cuevas. The advisory is shared for download at hackrtu.com. This vulnerability was named CVE-2025-13650 since 11/25/2025. The exploitation appears to be easy. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Microcom

Name

• ZeusWeb

Version

• 6.1.31

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