VULNERABILITY INTELLIGENCE
CVE-2026-13143
CVSS score5.3 MEDIUM
EPSS probability0.30%
CISA KEVNot currently listed
Published2026-07-30
Last modified2026-07-30
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-290