CVE-2023-28472: Concretecms Concrete CMS

Medium severity, CVSS 5.3. EPSS: 0.6% chance of exploitation in the next 30 days.

Concrete CMS (previously concrete5) versions 8.5.12 and below, and 9.0 through 9.1.3 does not have Secure and HTTP only attributes set for ccmPoll cookies.

Affected products

• Concretecms Concrete CMS: before 9.2.0 (fixed in 9.2.0)

Published 2023-04-28. Last modified 2026-06-17.