CVE-2026-90951: Unknown Paid Membership Subscriptions

Low severity, CVSS 3.7. EPSS: 0.2% chance of exploitation in the next 30 days.

The Paid Membership Subscriptions WordPress plugin before 3.1.0 does not bind one of its unauthenticated payment actions to the requesting user, allowing someone who holds another member's in-flight payment identifier to delete that member's checkout state.

Affected products

• Unknown Paid Membership Subscriptions: before 3.1.0 (fixed in 3.1.0)

Published 2026-09-23. Last modified 2026-09-23.