{"id":"CVE-2026-103312","aliases":["EUVD-2026-110608","GHSA-f39h-p64c-xrvv"],"status":"published","title":"Payment Integration Wompi \u003c= 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.","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":"2026-11-12","score":0.00236,"percentile":0.14787,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2026-10-27T06:00:20Z","modified":"2026-10-28T18:31:51Z","products":[{"vendor":"unknown","product":"payment integration wompi"}],"references":[{"url":"https://wpscan.com/vulnerability/617a62de-f7d6-461e-bbf2-db6092a3346f/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103312"},{"url":"https://wpscan.com/vulnerability/617a62de-f7d6-461e-bbf2-db6092a3346f"},{"url":"https://github.com/advisories/GHSA-f39h-p64c-xrvv"}],"sources":{"cve":[{"id":"CVE-2026-103312","title":"Payment Integration Wompi \u003c= 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.","status":"published","published":"2026-10-27T06:00:20.103Z","modified":"2026-10-28T17:58:09.938Z","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-287"],"updated_at":"2026-11-02T13:34:37.420074Z"}],"euvd":[{"id":"EUVD-2026-110608","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.","status":"published","published":"2026-10-27T06:00:20Z","modified":"2026-10-28T17:58:09Z","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":"2026-11-02T16:59:19.529238Z"}],"ghsa":[{"id":"GHSA-f39h-p64c-xrvv","title":"The Payment Integration Wompi WordPress plugin through 4.0.1 does not verify the authenticity of...","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.","status":"published","published":"2026-10-27T06:31:23Z","modified":"2026-10-28T18:31:51Z","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-287"],"updated_at":"2026-11-02T15:14:35.242845Z"}],"nvd":[{"id":"CVE-2026-103312","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.","status":"published","published":"2026-10-27T06:17:23.12Z","modified":"2026-10-28T18:17:01.213Z","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-287"],"updated_at":"2026-11-02T14:13:03.746397Z"}]}}