CVE-2024-12907: Kentico CMS

Medium severity, CVSS 5.3. EPSS: 0.4% chance of exploitation in the next 30 days.

Kentico CMS in version 7 is vulnerable to a Reflected XSS attacks through manipulation of a specific GET request parameter sent to /CMSMessages/AccessDenied.aspx endpoint. Notably, support for this version of Kentico ended in 2016. Version 8 was tested as well and does not contain this vulnerability.

Affected products

• Kentico Kentico CMS: version 7 only

Published 2025-01-02. Last modified 2026-06-17.