CVE-2026-83533
Medium
Description
The WP Express Checkout WordPress plugin before 2.4.9 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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductWP Express Checkout
PublishedSep 2, 2026
First seenSep 2, 2026
Weakness typeCWE-345CWE-345
How to fix
Update
- WP Express Checkout2.4.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| WP Express Checkout | v < 2.4.9 | 2.4.9 |
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