CVE-2026-83537
WP Express Checkout < 2.5.0 - Unauthenticated Payment Bypass via wpec_process_empty_payment
MEDIUM 5.3EPSS 0.2%
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.
- Affected
- WP Express Checkout
- CVSS v3.1 WPSCAN
- 5.3 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - EPSS
- 0.16% chance of exploitation in the next 30 days, 5th percentile
- Published
- 2026-09-09