CVE-2026-81924 Concrete CMS below 9.5.3 is vulnerable to Cross-Site Request Forgery (CSRF) in Theme Page Template Activation

Concrete CMS before 9.5.3 is vulnerable to Cross-Site Request Forgery CSRF in the theme page-template activation feature. The Dashboard theme Inspect controller's activatefiles action created PageTemplate records from attacker-supplied pageTemplates values without validating an anti-CSRF token.A...

CVE-2026-81924: Cross-Site Request Forgery (CSRF)

Concrete CMS before 9.5.3 is vulnerable to Cross-Site Request Forgery CSRF in the theme page-template activation feature. The Dashboard theme Inspect controller's activatefiles action created PageTemplate records from attacker-supplied pageTemplates values without validating an anti-CSRF token.A...