CVE-2026-83537
WP Express Checkout < 2.5.0 - Unauthenticated Payment Bypass via wpec_process_empty_payment
- State
- Published
- Severity
- 5.3 Medium
- Published
- Sep 9, 2026
- Updated
- Sep 9, 2026
- Reserved
- Aug 31, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N | WPScan |
Weaknesses
- CWE-345 Insufficient Verification of Data Authenticity
Affected Products
| Product | Versions |
|---|---|
WP Express CheckoutUnknown |
|
References
- https://wpscan.com/vulnerability/02b39e4f-181d-4573-9175-bf5a6d71e531/exploitvdb-entrytechnical-description
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