{"id":"CVE-2026-103299","state":"PUBLISHED","title":"nexi Alpha Bank for WooCommerce <= 2.2.0 - Unauthenticated Payment Confirmation Forgery via Empty Shared Secret","description":"The Payment Gateway  WordPress plugin through 2.2.0 does not ensure a shared secret is configured before using it to authenticate the bank's payment-notification callback, allowing unauthenticated attackers to forge a valid notification and mark any WooCommerce order as paid on installs where the secret has not been set, and the same callback lets them move any pending order to a failed state whether or not the secret is configured.","publishedAt":"2026-10-26T06:00:18.758Z","updatedAt":"2026-10-26T06:00:18.758Z","severity":null,"assigner":"WPScan","products":["Unknown Payment Gateway"],"affected":[{"vendor":"Unknown","product":"Payment Gateway","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.2.0","versionType":"semver"}]}],"references":["https://wpscan.com/vulnerability/0a1c3070-181d-49ea-9488-d0d7e4be419c/"],"weaknesses":[],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/103xxx/CVE-2026-103299.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-103299","state":"PUBLISHED","datePublished":"2026-10-26T06:00:18.758Z","dateUpdated":"2026-10-26T06:00:18.758Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-09-30T11:26:11.706Z"},"containers":{"cna":{"title":"nexi Alpha Bank for WooCommerce <= 2.2.0 - Unauthenticated Payment Confirmation Forgery via Empty Shared Secret","descriptions":[{"lang":"en","value":"The Payment Gateway  WordPress plugin through 2.2.0 does not ensure a shared secret is configured before using it to authenticate the bank's payment-notification callback, allowing unauthenticated attackers to forge a valid notification and mark any WooCommerce order as paid on installs where the secret has not been set, and the same callback lets them move any pending order to a failed state whether or not the secret is configured."}],"affected":[{"vendor":"Unknown","product":"Payment Gateway","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.2.0","versionType":"semver"}]}],"references":[{"url":"https://wpscan.com/vulnerability/0a1c3070-181d-49ea-9488-d0d7e4be419c/","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":"2026-10-26T06:00:18.758Z"},"credits":[{"lang":"en","value":"Naoki Kawahigashi","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}}}}}