CVE-2025-12158: TANVIRAHMED1984 Simple User Capabilities

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

The Simple User Capabilities plugin for WordPress is vulnerable to Privilege Escalation due to a missing capability check on the suc_submit_capabilities() function in all versions up to, and including, 1.0. This makes it possible for unauthenticated attackers to elevate the role of any user account to administrator.

Affected products

• TANVIRAHMED1984 Simple User Capabilities: up to and including 1.0

Published 2025-11-04. Last modified 2026-06-17.