CVE-2026-6954

Medium

Description

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.

SeverityMedium
CVSS5.1
Exploit probability—
ProductWebControl CMS
PublishedJun 30, 2026
First seenJun 30, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Intermark IT WebControl CMS0—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.