CVE-2026-81899

Concrete CMS versions 9.0.0 through 9.5.2 are affected by a stored cross-site scripting (XSS) vulnerability in the group folder name handling. The add and edit group-folder handlers stored submitted folder names without sanitizing HTML, and the group search grid returned them without output encod...

CVE-2026-81899 Concrete CMS 9.0 to 9.5.2 is vulnerable to Stored XSS via group folder name on the Members > Groups dashboard

Concrete CMS 9.0.0 to 9.5.2 stored group folder names without sanitization and printed them unescaped on the Members Groups dashboard page, resulting in stored cross-site scripting. The add and edit group-folder handlers stored the submitted folder name without neutralizing HTML, and the group...

CVE-2026-81899: Improper Neutralization of Input During Web Page Generation

Concrete CMS 9.0.0 to 9.5.2 stored group folder names without sanitization and printed them unescaped on the Members Groups dashboard page, resulting in stored cross-site scripting. The add and edit group-folder handlers stored the submitted folder name without neutralizing HTML, and the group...