CVE-2026-13143 — WP Travel < 11.8.1 - Unauthenticated Payment Bypass via Forged PayPal IPN
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…
Published: 2026-07-30 · CVSS: 5.3 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7