CVE-2026-83537
The WP Express Checkout WordPress plugin before 2.5.0 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying.
- Published Sep 9, 2026
- CVSS 5.3 medium
- 0.2% chance of exploitation in the next 30 days (EPSS)
- A fix is available