CVE-2018-11678: Monstra CMS

Critical severity, CVSS 9.8. EPSS: 1.7% chance of exploitation in the next 30 days.

plugins/box/users/users.plugin.php in Monstra CMS 3.0.4 allows Login Rate Limiting Bypass via manipulation of the login_attempts cookie.

Affected products

• Monstra Monstra CMS: version 3.0.4 only

Published 2018-06-05. Last modified 2026-06-17.