{"id":"CVE-2026-78000","state":"PUBLISHED","title":"Joomla Extension - j2commerce.com - Open redirect in cart controller in J2Store 1.0.0-3.3.20, 4.0.0-4.0.20, 4.1.0-4.1.5","description":"Joomla Extension - j2commerce.com - Reflected XSS via `filter_tag`, `pricefrom` and `priceto` in J2Store 1.0.0-3.3.21, 4.0.0-4.0.21, 4.1.0-4.1.6 - Four task handlers accepted a base64-encoded URL from user input and redirected to it without validating the destination host, enabling phishing using the shop's trusted domain. No authentication required.","publishedAt":"2026-09-03T11:59:29.328Z","updatedAt":"2026-09-03T13:19:18.314Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/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-79"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/78xxx/CVE-2026-78000.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-78000","state":"PUBLISHED","datePublished":"2026-09-03T11:59:29.328Z","dateUpdated":"2026-09-03T13:19:18.314Z","assignerShortName":"Joomla","assignerOrgId":"6ff30186-7fb7-4ad9-be33-533e7b05e586","dateReserved":"2026-08-21T19:23:55.924Z"},"containers":{"cna":{"title":"Joomla Extension - j2commerce.com - Open redirect in cart controller in J2Store 1.0.0-3.3.20, 4.0.0-4.0.20, 4.1.0-4.1.5","descriptions":[{"lang":"en","value":"Joomla Extension - j2commerce.com - Reflected XSS via `filter_tag`, `pricefrom` and `priceto` in J2Store 1.0.0-3.3.21, 4.0.0-4.0.21, 4.1.0-4.1.6 - Four task handlers accepted a base64-encoded URL from user input and redirected to it without validating the destination host, enabling phishing using the shop's trusted domain. No authentication required."}],"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":5.3,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Joomla","orgId":"6ff30186-7fb7-4ad9-be33-533e7b05e586","dateUpdated":"2026-09-03T13:19:18.314Z"},"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":"2026-09-03T13:01:27.109697Z","id":"CVE-2026-78000","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":"2026-09-03T13:01:34.913Z"}}]}}}