{"id":"CVE-2026-13143","aliases":["EUVD-2026-51007","GHSA-vx7q-rhxw-6x3x"],"status":"published","title":"WP Travel \u003c 11.8.1 - Unauthenticated Payment Bypass via Forged PayPal IPN","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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00304,"percentile":0.23358,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-290"],"published":"2026-07-30T06:00:11Z","modified":"2026-07-30T18:31:33Z","products":[{"vendor":"unknown","product":"wp travel"},{"vendor":"wp travel","product":"wp travel"}],"references":[{"url":"https://wpscan.com/vulnerability/21bc82e3-4568-4e01-8704-88a242743402/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-13143"},{"url":"https://wpscan.com/vulnerability/21bc82e3-4568-4e01-8704-88a242743402"},{"url":"https://github.com/advisories/GHSA-vx7q-rhxw-6x3x"}],"sources":{"cve":[{"id":"CVE-2026-13143","title":"WP Travel \u003c 11.8.1 - Unauthenticated Payment Bypass via Forged PayPal IPN","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.","status":"published","published":"2026-07-30T06:00:11.267Z","modified":"2026-07-30T16:05:27.697Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-290"],"updated_at":"2026-11-02T14:19:49.885652Z"}],"euvd":[{"id":"EUVD-2026-51007","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.","status":"published","published":"2026-07-30T06:00:11Z","modified":"2026-07-30T16:05:27Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:02:28.035906Z"}],"ghsa":[{"id":"GHSA-vx7q-rhxw-6x3x","title":"The WP Travel  WordPress plugin before 11.8.1 does not verify PayPal Instant Payment...","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.","status":"published","published":"2026-07-30T06:32:36Z","modified":"2026-07-30T18:31:33Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-290"],"updated_at":"2026-11-02T15:09:57.28787Z"}],"nvd":[{"id":"CVE-2026-13143","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.","status":"published","published":"2026-07-30T06:24:58.817Z","modified":"2026-07-30T16:45:00.353Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-290"],"updated_at":"2026-11-02T14:12:33.955581Z"}]}}