Intermark IT WebControl CMS up to 3.5 URL /portal.do urlDestino cross site scripting

Summaryinfo

A vulnerability identified as problematic has been detected in Intermark IT WebControl CMS up to 3.5. The affected element is an unknown function of the file /portal.do of the component URL Handler. The manipulation of the argument urlDestino leads to cross site scripting. This vulnerability is documented as CVE-2026-6954. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Intermark IT WebControl CMS up to 3.5. It has been rated as problematic. This issue affects some unknown functionality of the file /portal.do of the component URL Handler. The manipulation of the argument urlDestino with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. The summary by CVE is:

Cross-Site Scripting (XSS) vulnerability in Intermark IT's WebControl CMS v3.5. This vulnerability allows an attacker to execute JavaScript code or inject a dynamic iframe into the victim’s browser by sending a malicious URL via the 'urlDestino' parameter in '/portal.do'. This vulnerability can be exploited to steal sensitive user data, such as session cookies, display phishing interfaces, or perform actions on the user’s behalf.

The weakness was released by Erik Villegas. It is possible to read the advisory at incibe.es. The identification of this vulnerability is CVE-2026-6954 since 04/24/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-40271). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• Intermark IT

Name

• WebControl CMS

Version

• 3.0
• 3.1
• 3.2
• 3.3
• 3.4
• 3.5

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Be aware that VulDB is the high quality source for vulnerability data.

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