{"data":{"id":"CVE-2021-26038","cve_id":"CVE-2021-26038","title":"An issue was discovered in Joomla!","summary":"An issue was discovered in Joomla!","severity":"HIGH","cvss":{"score":7.5,"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","source":"nvd"},"published_at":"2021-07-07T00:00:00Z","modified_at":"2026-06-17T03:42:46.853000Z","withdrawn_at":null,"is_joomla":true,"is_joomla_core":true,"relevance":"certain","product":"Joomla CMS","extension":{"type":null,"name":null},"sources":["certfr","nvd"],"source_count":2,"url":"https://cve.oyer.fr/cve/CVE-2021-26038","description":"An issue was discovered in Joomla! 2.5.0 through 3.9.27. Install action in com_installer lack the required hardcoded ACL checks for superusers. A default system is not affected cause the default ACL for com_installer is limited to super users already.","cwe":["CWE-754"],"affected":[{"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":"2.5.0","version_end":"3.9.27","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":"2.5.0","version_end":"3.9.27","version_end_inclusive":true,"fixed_version":null,"type":"core","source":"nvd"}],"references":[{"url":"https://www.cert.ssi.gouv.fr/avis/CERTFR-2021-AVI-504/","title":"CERT-FR","source":"certfr"},{"url":"https://developer.joomla.org/security-centre/859-20210704-core-privilege-escalation-through-com-installer.html","title":"Vendor Advisory","source":"nvd"}],"source_records":[{"source":"certfr","external_id":"CERTFR-2021-AVI-504:CVE-2021-26038","url":"https://www.cert.ssi.gouv.fr/avis/CERTFR-2021-AVI-504/","severity":null,"cvss_score":null,"cvss_vector":null,"cvss_version":null,"first_seen_at":"2026-09-26T09:28:00.844477Z","last_seen_at":"2026-09-26T09:28:00.844477Z"},{"source":"nvd","external_id":"CVE-2021-26038","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26038","severity":"HIGH","cvss_score":7.5,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","cvss_version":"3.1","first_seen_at":"2026-09-26T09:34:22.505430Z","last_seen_at":"2026-09-26T09:34:22.505430Z"}],"history":[{"at":"2026-09-26T09:34:22.505430Z","event":"source_added","source":"nvd","detail":"Source ajoutée : nvd"},{"at":"2026-09-26T09:28:00.844477Z","event":"created","source":"certfr","detail":"Détectée via certfr"}]}}