CVE-2026-90922: Unknown Paid Membership Subscriptions

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

The Paid Membership Subscriptions WordPress plugin before 3.0.9 does not verify that the amount and currency reported by the payment provider match the pending payment before completing it, allowing unauthenticated users to obtain a paid membership by paying an arbitrary lower amount.

Affected products

• Unknown Paid Membership Subscriptions: before 3.0.9 (fixed in 3.0.9)

Published 2026-09-17. Last modified 2026-09-18.