CVE-2026-66712: Wp.insider Simple Membership

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Unauthenticated Broken Access Control in Simple Membership <= 4.7.8 versions.

Affected products

• Wp.insider Simple Membership: up to and including 4.7.8

Published 2026-08-06. Last modified 2026-08-12.