ConcreteCMS Cross-Site Scripting (XSS) via HTML Block Text Field

A vulnerability was found in ConcreteCMS up to 9.3.9. It has been classified as problematic. This affects the function Save of the component HTML Block Handler. The manipulation of the argument content leads to HTML injection. It is possible to initiate the attack remotely. The exploit has been...

PT-2025-13639

Name of the Vulnerable Software and Affected Versions ConcreteCMS versions up to 9.3.9 Description A vulnerability was found in ConcreteCMS, affecting the Save function of the HTML Block Handler component. The manipulation of the content argument leads to HTML injection. This issue can be initiat...