CVE-2026-25308: Wp.insider Simple Membership

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Missing Authorization vulnerability in wp.insider Simple Membership simple-membership allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Simple Membership: from n/a through <= 4.6.9.

Affected products

• Wp.insider Simple Membership: up to and including 4.6.9

Published 2026-02-19. Last modified 2026-06-17.