CVE-2026-81897

In Concrete CMS below CMS 9.5.3, the savecontrol action in the Express entities forms dashboard controller did not validate the anti-CSRF token. By causing an authenticated administrator to submit a forged cross-site request, a remote attacker without credentials could write attacker-controlled...

CVE-2026-81897 Concrete CMS below version 9.5.3 is vulnerable to Stored XSS via Express form Text control save_control

In Concrete CMS below CMS 9.5.3, the savecontrol action in the Express entities forms dashboard controller did not validate the anti-CSRF token. By causing an authenticated administrator to submit a forged cross-site request, a remote attacker without credentials could write attacker-controlled...

CVE-2026-81897 Concrete CMS below version 9.5.3 is vulnerable to Stored XSS via Express form Text control save_control

In Concrete CMS below CMS 9.5.3, the savecontrol action in the Express entities forms dashboard controller did not validate the anti-CSRF token. By causing an authenticated administrator to submit a forged cross-site request, a remote attacker without credentials could write attacker-controlled...

CVE-2026-81897

Concrete CMS versions below 9.5.3 are vulnerable to stored cross-site scripting via the save_control action in the Express entities forms dashboard controller. The missing anti-CSRF token validation allows an unauthenticated remote attacker to cause an authenticated administrator to submit a forg...

CVE-2026-81897: Cross-Site Request Forgery (CSRF)

In Concrete CMS below CMS 9.5.3, the savecontrol action in the Express entities forms dashboard controller did not validate the anti-CSRF token. By causing an authenticated administrator to submit a forged cross-site request, a remote attacker without credentials could write attacker-controlled...