{"id":"CVE-2026-78065","state":"PUBLISHED","title":"Joomla Extension - j2commerce.com - Guest checkout address disclosure to any authenticated user (IDOR) in J2Store 1.0.0-3.3.21, 4.0.0-4.0.21, 4.1.0-4.1.6","description":"Joomla Extension - j2commerce.com - Guest checkout address disclosure to any authenticated user (IDOR) in J2Store 1.0.0-3.3.21, 4.0.0-4.0.21, 4.1.0-4.1.6 - `editAddress()` redirected non-owners away only when the loaded address row had a **non-empty** `user_id` belonging to someone else. Guest-checkout address rows have an empty `user_id`, so that check never triggered for them — any logged-in account guessing a small, sequential `address_id` got a guest customer's full name, street address, and phone number rendered prefilled into the edit form.","publishedAt":"2026-09-03T11:59:02.126Z","updatedAt":"2026-09-03T13:18:49.025Z","severity":{"score":7.1,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","source":"Joomla"},"assigner":"Joomla","products":["j2commerce.com J2Store extension for Joomla"],"affected":[{"vendor":"j2commerce.com","product":"J2Store extension for Joomla","defaultStatus":"unaffected","versions":[{"version":"1.0.0-3.3.21","status":"affected"},{"version":"4.0.0-4.0.21","status":"affected"},{"version":"4.1.0-4.1.6","status":"affected"}]}],"references":["https://www.j2commerce.com/"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/78xxx/CVE-2026-78065.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-78065","state":"PUBLISHED","datePublished":"2026-09-03T11:59:02.126Z","dateUpdated":"2026-09-03T13:18:49.025Z","assignerShortName":"Joomla","assignerOrgId":"6ff30186-7fb7-4ad9-be33-533e7b05e586","dateReserved":"2026-08-22T11:33:08.526Z"},"containers":{"cna":{"title":"Joomla Extension - j2commerce.com - Guest checkout address disclosure to any authenticated user (IDOR) in J2Store 1.0.0-3.3.21, 4.0.0-4.0.21, 4.1.0-4.1.6","descriptions":[{"lang":"en","value":"Joomla Extension - j2commerce.com - Guest checkout address disclosure to any authenticated user (IDOR) in J2Store 1.0.0-3.3.21, 4.0.0-4.0.21, 4.1.0-4.1.6 - `editAddress()` redirected non-owners away only when the loaded address row had a **non-empty** `user_id` belonging to someone else. Guest-checkout address rows have an empty `user_id`, so that check never triggered for them — any logged-in account guessing a small, sequential `address_id` got a guest customer's full name, street address, and phone number rendered prefilled into the edit form."}],"affected":[{"vendor":"j2commerce.com","product":"J2Store extension for Joomla","defaultStatus":"unaffected","versions":[{"version":"1.0.0-3.3.21","status":"affected"},{"version":"4.0.0-4.0.21","status":"affected"},{"version":"4.1.0-4.1.6","status":"affected"}]}],"references":[{"url":"https://www.j2commerce.com/","tags":["product"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.1,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","description":"CWE-639 (Authorization Bypass Through User-Controlled Key)","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Joomla","orgId":"6ff30186-7fb7-4ad9-be33-533e7b05e586","dateUpdated":"2026-09-03T13:18:49.025Z"},"credits":[{"lang":"en","type":"finder","value":"Phil Taylor, mysites.guru"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-03T13:02:12.120622Z","id":"CVE-2026-78065","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":"2026-09-03T13:02:18.841Z"}}]}}}