CVE-2026-42663: Wp.insider Simple Membership

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Unauthenticated Cross Site Scripting (XSS) in Simple Membership <= 4.7.2 versions.

Affected products

• Wp.insider Simple Membership: up to and including 4.7.2

Published 2026-06-15. Last modified 2026-06-17.