CVE-2023-23488: Strangerstudios Paid Memberships Pro

Critical severity, CVSS 9.8. EPSS: 92.5% chance of exploitation in the next 30 days.

The Paid Memberships Pro WordPress Plugin, version < 2.9.8, is affected by an unauthenticated SQL injection vulnerability in the 'code' parameter of the '/pmpro/v1/order' REST route.

Affected products

• Strangerstudios Paid Memberships Pro: before 2.9.8 (fixed in 2.9.8)

Published 2023-01-20. Last modified 2026-06-17.