CVE-2026-3240 Concrete CMS below 9.4.8 is vulnerable to Stored XSS via Legacy form

In Concrete CMS below version 9.4.8, a user with permission to edit a page with element Legacy form can perform a stored XSS attack towards high-privilege accounts via the Question field. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 4.8 with...

CVE-2026-3240

In Concrete CMS below version 9.4.8, a user with permission to edit a page with element Legacy form can perform a stored XSS attack towards high-privilege accounts via the Question field. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 4.8 with...

Concrete CMS 安全漏洞

Concrete CMS is an open-source content management system designed for teams. Versions of Concrete CMS prior to 9.4.8 contained a security vulnerability. This vulnerability stemmed from PHP object injection in the columns parameter within the Express Entry List block, which could lead to remote co...