{"data":{"id":"CVE-2026-71573","cve_id":"CVE-2026-71573","title":"Improper CORS origin validation","summary":"Improper CORS origin validation","severity":"MEDIUM","cvss":{"score":6.9,"version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","source":"nvd"},"published_at":"2026-08-17T14:00:02Z","modified_at":"2026-09-03T15:04:22.527000Z","withdrawn_at":null,"is_joomla":true,"is_joomla_core":true,"relevance":"certain","product":"Joomla CMS","extension":{"type":null,"name":null},"sources":["certfr","joomla","nvd"],"source_count":3,"url":"https://cve.oyer.fr/cve/CVE-2026-71573","description":"An improper implementation prevented configured CORS origins from being properly validated in CORS requests.","cwe":["CWE-93"],"affected":[{"package":null,"product":"Joomla! CMS","vendor":"Joomla","ecosystem":null,"cpe":null,"version_start":"4.0.0","version_end":"5.4.7","version_end_inclusive":true,"fixed_version":"5.4.8","type":"core","source":"joomla"},{"package":null,"product":"Joomla! CMS","vendor":"Joomla","ecosystem":null,"cpe":null,"version_start":"6.0.0","version_end":"6.1.2","version_end_inclusive":true,"fixed_version":"6.1.3","type":"core","source":"joomla"},{"package":null,"product":"Joomla!","vendor":"Joomla!","ecosystem":null,"cpe":null,"version_start":null,"version_end":null,"version_end_inclusive":false,"fixed_version":null,"type":"core","source":"certfr"},{"package":null,"product":"Joomla! CMS","vendor":"Joomla! Project","ecosystem":null,"cpe":null,"version_start":"4.0.0","version_end":"5.4.6","version_end_inclusive":true,"fixed_version":null,"type":null,"source":"nvd"},{"package":null,"product":"Joomla! CMS","vendor":"Joomla! Project","ecosystem":null,"cpe":null,"version_start":"6.0.0","version_end":"6.1.2","version_end_inclusive":true,"fixed_version":null,"type":null,"source":"nvd"},{"package":null,"product":"joomla!","vendor":"joomla","ecosystem":null,"cpe":"cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*","version_start":"4.0.0","version_end":"5.4.8","version_end_inclusive":false,"fixed_version":"5.4.8","type":"core","source":"nvd"},{"package":null,"product":"joomla!","vendor":"joomla","ecosystem":null,"cpe":"cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*","version_start":"6.0.0","version_end":"6.1.3","version_end_inclusive":false,"fixed_version":"6.1.3","type":"core","source":"nvd"}],"references":[{"url":"https://developer.joomla.org/security-centre/1069-20260802-core-improper-cors-origin-validation.html","title":"Joomla Security Centre","source":"joomla"},{"url":"https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1046/","title":"CERT-FR","source":"certfr"},{"url":"https://developer.joomla.org/security-centre/20260802-core-improper-cors-origin-validation.html","title":"Vendor Advisory, Broken Link","source":"nvd"},{"url":"https://www.joomla.org/","title":"Product","source":"nvd"}],"source_records":[{"source":"joomla","external_id":"https://developer.joomla.org/security-centre/1069-20260802-core-improper-cors-origin-validation.html","url":"https://developer.joomla.org/security-centre/1069-20260802-core-improper-cors-origin-validation.html","severity":"Moderate","cvss_score":null,"cvss_vector":null,"cvss_version":null,"first_seen_at":"2026-09-26T09:26:37.843577Z","last_seen_at":"2026-09-26T11:26:37.520295Z"},{"source":"certfr","external_id":"CERTFR-2026-AVI-1046:CVE-2026-71573","url":"https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1046/","severity":null,"cvss_score":null,"cvss_vector":null,"cvss_version":null,"first_seen_at":"2026-09-26T09:28:02.857996Z","last_seen_at":"2026-09-26T09:28:02.857996Z"},{"source":"nvd","external_id":"CVE-2026-71573","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-71573","severity":"MEDIUM","cvss_score":6.9,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","cvss_version":"4.0","first_seen_at":"2026-09-26T09:34:32.185536Z","last_seen_at":"2026-09-26T09:34:32.185536Z"}],"history":[{"at":"2026-09-26T09:34:32.185536Z","event":"source_added","source":"nvd","detail":"Source ajoutée : nvd"},{"at":"2026-09-26T09:28:02.857996Z","event":"source_added","source":"certfr","detail":"Source ajoutée : certfr"},{"at":"2026-09-26T09:26:37.843577Z","event":"created","source":"joomla","detail":"Détectée via joomla"}]}}