CVE-2023-49337: Concretecms Concrete CMS

Medium severity, CVSS 4.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Concrete CMS before 9.2.3 allows Stored XSS on the Admin Dashboard via /dashboard/system/basics/name. (8.5 and earlier are unaffected.)

Affected products

• Concretecms Concrete CMS: from 9.0.0, before 9.2.3 (fixed in 9.2.3)

Published 2024-02-29. Last modified 2026-06-17.