CVE-2021-23261: Craftercms Crafter CMS

Medium severity, CVSS 4.9. EPSS: 0.7% chance of exploitation in the next 30 days.

Authenticated administrators may override the system configuration file and cause a denial of service.

Affected products

• Craftercms Crafter CMS: from 3.1.0, before 3.1.13 (fixed in 3.1.13)

Published 2021-12-02. Last modified 2026-06-17.