{"id":"CVE-2026-103312","state":"PUBLISHED","title":"Payment Integration Wompi <= 4.0.1 - Unauthenticated Payment Confirmation Forgery via IPN Callback","description":"The Payment Integration Wompi WordPress plugin through 4.0.1 does not verify the authenticity of incoming payment notifications on a stock install, because the callback's checksum is keyed on a merchant secret that is empty until it is manually configured, allowing an unauthenticated attacker to forge a notification and mark an arbitrary order as paid.","publishedAt":"2026-10-27T06:00:20.103Z","updatedAt":"2026-10-28T17:58:09.938Z","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 Payment Integration Wompi"],"affected":[{"vendor":"Unknown","product":"Payment Integration Wompi","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.0.1","versionType":"semver"}]}],"references":["https://wpscan.com/vulnerability/617a62de-f7d6-461e-bbf2-db6092a3346f/"],"weaknesses":["CWE-287"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/103xxx/CVE-2026-103312.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-103312","state":"PUBLISHED","datePublished":"2026-10-27T06:00:20.103Z","dateUpdated":"2026-10-28T17:58:09.938Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-09-30T11:42:59.430Z"},"containers":{"cna":{"title":"Payment Integration Wompi <= 4.0.1 - Unauthenticated Payment Confirmation Forgery via IPN Callback","descriptions":[{"lang":"en","value":"The Payment Integration Wompi WordPress plugin through 4.0.1 does not verify the authenticity of incoming payment notifications on a stock install, because the callback's checksum is keyed on a merchant secret that is empty until it is manually configured, allowing an unauthenticated attacker to forge a notification and mark an arbitrary order as paid."}],"affected":[{"vendor":"Unknown","product":"Payment Integration Wompi","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.0.1","versionType":"semver"}]}],"references":[{"url":"https://wpscan.com/vulnerability/617a62de-f7d6-461e-bbf2-db6092a3346f/","tags":["exploit","vdb-entry","technical-description"]}],"problemTypes":[{"descriptions":[{"description":"CWE-287 Improper Authentication","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-10-27T06:00:20.103Z"},"credits":[{"lang":"en","value":"Naoki Kawahigashi","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":{"id":"CVE-2026-103312","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-28T17:51:17.825074Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","lang":"en","type":"CWE","description":"CWE-287 Improper Authentication"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-28T17:58:09.938Z"}}]}}}