CVE-2026-66594: Lukeseager WordPress Persistent Login

High severity, CVSS 8.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Subscriber SQL Injection in WordPress Persistent Login <= 3.1.0 versions.

Affected products

• Lukeseager WordPress Persistent Login: up to and including 3.1.0

Published 2026-08-20. Last modified 2026-08-20.