CVE-2021-23259: Craftercms Crafter CMS

High severity, CVSS 7.2. EPSS: 0.7% chance of exploitation in the next 30 days.

Authenticated users with Administrator or Developer roles may execute OS commands by Groovy Script which uses Groovy lib to render a webpage. The groovy script does not have security restrictions, which will cause attackers to execute arbitrary commands remotely(RCE).

Affected products

• Craftercms Crafter CMS: from 3.1.0, before 3.1.12 (fixed in 3.1.12)

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