CVE-2022-43689: Concretecms Concrete CMS

Medium severity, CVSS 5.3. EPSS: 0.7% chance of exploitation in the next 30 days.

Concrete CMS (formerly concrete5) below 8.5.10 and between 9.0.0 and 9.1.2 is vulnerable to XXE based DNS requests leading to IP disclosure.

Affected products

• Concretecms Concrete CMS: before 8.5.10 (fixed in 8.5.10); from 9.0.0, up to and including 9.1.2

Published 2022-11-14. Last modified 2026-06-17.