CVE-2026-13598: Unknown Restrictmate

Critical severity, CVSS 9.8. EPSS: 0.3% chance of exploitation in the next 30 days.

The RestrictMate WordPress plugin before 1.3.0 does not restrict the user role supplied during account registration, allowing unauthenticated attackers to create a new administrator account and gain a logged-in administrator session, leading to full site takeover.

Affected products

• Unknown Restrictmate: before 1.3.0 (fixed in 1.3.0)

Published 2026-08-23. Last modified 2026-08-28.