CVE-2021-23266: Craftercms Crafter CMS

Medium severity, CVSS 4.3. EPSS: 0.6% chance of exploitation in the next 30 days.

An anonymous user can craft a URL with text that ends up in the log viewer as is. The text can then include textual messages to mislead the administrator.

Affected products

• Craftercms Crafter CMS: from 3.1, before 3.1.18 (fixed in 3.1.18)

Published 2022-05-16. Last modified 2026-06-17.