CVE-2026-13143
WP Travel < 11.8.1 - Unauthenticated Payment Bypass via Forged PayPal IPN
- State
- Published
- Severity
- 5.3 Medium
- Published
- Jul 30, 2026
- Updated
- Jul 30, 2026
- Reserved
- Jun 24, 2026
Description
The WP Travel WordPress plugin before 11.8.1 does not verify PayPal Instant Payment Notifications through the PayPal post-back handshake before marking a booking paid, allowing unauthenticated attackers to forge a notification that flips an arbitrary pending booking to a paid and booked state at an attacker-chosen amount.
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 | CISA-ADP |
Weaknesses
- CWE-290 Authentication Bypass by Spoofing
Affected Products
| Product | Versions |
|---|---|
WP TravelUnknown |
|
References
- https://wpscan.com/vulnerability/21bc82e3-4568-4e01-8704-88a242743402/exploitvdb-entrytechnical-description
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