5.3
Medium
CVE-2026-83537 The WP Express Checkout WordPress plugin before 2.5.0 does not verify server-side that a payment was actually…
Description
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 products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| WP Express Checkout 2.5 | earliest → < 2.5.0 | 2.5.0 |