{"id":"CVE-2026-13143","state":"PUBLISHED","title":"WP Travel < 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.","publishedAt":"2026-07-30T06:00:11.267Z","updatedAt":"2026-07-30T16:05:27.697Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","source":"CISA-ADP"},"assigner":"WPScan","products":["Unknown WP Travel"],"affected":[{"vendor":"Unknown","product":"WP Travel","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"11.8.1","versionType":"semver"}]}],"references":["https://wpscan.com/vulnerability/21bc82e3-4568-4e01-8704-88a242743402/"],"weaknesses":["CWE-290"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/13xxx/CVE-2026-13143.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-13143","state":"PUBLISHED","datePublished":"2026-07-30T06:00:11.267Z","dateUpdated":"2026-07-30T16:05:27.697Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-06-24T09:11:33.920Z"},"containers":{"cna":{"title":"WP Travel < 11.8.1 - Unauthenticated Payment Bypass via Forged PayPal IPN","descriptions":[{"lang":"en","value":"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":[{"vendor":"Unknown","product":"WP Travel","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"11.8.1","versionType":"semver"}]}],"references":[{"url":"https://wpscan.com/vulnerability/21bc82e3-4568-4e01-8704-88a242743402/","tags":["exploit","vdb-entry","technical-description"]}],"problemTypes":[{"descriptions":[{"description":"CWE-290 Authentication Bypass by Spoofing","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-07-30T06:00:11.267Z"},"credits":[{"lang":"en","value":"Revanth Hari Narayana Matte","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-07-30T16:05:19.801180Z","id":"CVE-2026-13143","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-290","type":"CWE","lang":"en","description":"CWE-290 Authentication Bypass by Spoofing"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-30T16:05:27.697Z"}}]}}}