{"id":"CVE-2026-103671","state":"PUBLISHED","title":"External control of assumed-Immutable web parameter issue exists in EC-CUBE plugin (for EC-CUBE 4 series) \"AmazonPay Plugin\". If exploited, the user may be redirected to an arbitra","description":"External control of assumed-Immutable web parameter issue exists in EC-CUBE plugin (for EC-CUBE 4 series) \"AmazonPay Plugin\". If exploited, the user may be redirected to an arbitrary website during the ordering process. As a result, user's account information may be obtained.","publishedAt":"2026-10-14T08:12:13.594Z","updatedAt":"2026-10-14T14:15:44.172Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N","source":"jpcert"},"assigner":"jpcert","products":["EC-CUBE CO.,LTD. AmazonPay V2 Plugin (4.0/4.1 series)","EC-CUBE CO.,LTD. AmazonPay V2 Plugin (4.2/4.3 series, Bundle Edition)","EC-CUBE CO.,LTD. AmazonPay V2 Plugin (4.2/4.3 series)","EC-CUBE CO.,LTD. AmazonPay Plugin (4.0 series)"],"affected":[{"vendor":"EC-CUBE CO.,LTD.","product":"AmazonPay V2 Plugin (4.0/4.1 series)","defaultStatus":"unaffected","versions":[{"version":"v1.1.7","status":"affected","lessThanOrEqual":"v1.1.12","versionType":"semver"}]},{"vendor":"EC-CUBE CO.,LTD.","product":"AmazonPay V2 Plugin (4.0/4.1 series)","defaultStatus":"unaffected","versions":[{"version":"v1.0.0","status":"affected","lessThanOrEqual":"v1.1.6","versionType":"semver"}]},{"vendor":"EC-CUBE CO.,LTD.","product":"AmazonPay V2 Plugin (4.2/4.3 series, Bundle Edition)","defaultStatus":"unaffected","versions":[{"version":"v4.3.1","status":"affected"}]},{"vendor":"EC-CUBE CO.,LTD.","product":"AmazonPay V2 Plugin (4.2/4.3 series)","defaultStatus":"unaffected","versions":[{"version":"v4.2.3","status":"affected","lessThanOrEqual":"v4.3.1","versionType":"semver"}]},{"vendor":"EC-CUBE CO.,LTD.","product":"AmazonPay V2 Plugin (4.2/4.3 series)","defaultStatus":"unaffected","versions":[{"version":"v4.2.0","status":"affected","lessThanOrEqual":"v4.2.2","versionType":"semver"}]},{"vendor":"EC-CUBE CO.,LTD.","product":"AmazonPay Plugin (4.0 series)","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"v1.3.0","versionType":"semver"}]}],"references":["https://www.ec-cube.net/news/detail.php?news_id=490","https://jvn.jp/en/jp/JVN43511918/"],"weaknesses":["CWE-472"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/103xxx/CVE-2026-103671.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-103671","state":"PUBLISHED","datePublished":"2026-10-14T08:12:13.594Z","dateUpdated":"2026-10-14T14:15:44.172Z","assignerShortName":"jpcert","assignerOrgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateReserved":"2026-10-09T05:17:55.110Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"External control of assumed-Immutable web parameter issue exists in EC-CUBE plugin (for EC-CUBE 4 series) \"AmazonPay Plugin\". If exploited, the user may be redirected to an arbitrary website during the ordering process. As a result, user's account information may be obtained."}],"affected":[{"vendor":"EC-CUBE CO.,LTD.","product":"AmazonPay V2 Plugin (4.0/4.1 series)","defaultStatus":"unaffected","versions":[{"version":"v1.1.7","status":"affected","lessThanOrEqual":"v1.1.12","versionType":"semver"}]},{"vendor":"EC-CUBE CO.,LTD.","product":"AmazonPay V2 Plugin (4.0/4.1 series)","defaultStatus":"unaffected","versions":[{"version":"v1.0.0","status":"affected","lessThanOrEqual":"v1.1.6","versionType":"semver"}]},{"vendor":"EC-CUBE CO.,LTD.","product":"AmazonPay V2 Plugin (4.2/4.3 series, Bundle Edition)","defaultStatus":"unaffected","versions":[{"version":"v4.3.1","status":"affected"}]},{"vendor":"EC-CUBE CO.,LTD.","product":"AmazonPay V2 Plugin (4.2/4.3 series)","defaultStatus":"unaffected","versions":[{"version":"v4.2.3","status":"affected","lessThanOrEqual":"v4.3.1","versionType":"semver"}]},{"vendor":"EC-CUBE CO.,LTD.","product":"AmazonPay V2 Plugin (4.2/4.3 series)","defaultStatus":"unaffected","versions":[{"version":"v4.2.0","status":"affected","lessThanOrEqual":"v4.2.2","versionType":"semver"}]},{"vendor":"EC-CUBE CO.,LTD.","product":"AmazonPay Plugin (4.0 series)","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"v1.3.0","versionType":"semver"}]}],"references":[{"url":"https://www.ec-cube.net/news/detail.php?news_id=490"},{"url":"https://jvn.jp/en/jp/JVN43511918/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_0":{"version":"3.0","baseSeverity":"MEDIUM","baseScore":4.7,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N"}},{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV4_0":{"version":"4.0","baseSeverity":"MEDIUM","baseScore":5.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-472","description":"External control of assumed-Immutable web parameter","lang":"en-US","type":"CWE"}]}],"providerMetadata":{"shortName":"jpcert","orgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateUpdated":"2026-10-14T08:12:13.594Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-14T14:15:14.055640Z","id":"CVE-2026-103671","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-14T14:15:44.172Z"}}]}}}