Vulnerability · Published Jul 30, 2026 · Assigned by WPScan
CVE-2026-13143WP Travel < 11.8.1 - Unauthenticated Payment Bypass via Forged PayPal IPN
Medium 5.3
In plain English
A medium-severity authentication bypass by spoofing in WP Travel from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 76.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-290 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
References
- https://wpscan.com/vulnerability/21bc82e3-4568-4e01-8704-88a242743402/ exploit, vdb-entry, technical-description