{"data":{"id":"CVE-2021-26034","cve_id":"CVE-2021-26034","title":"An issue was discovered in Joomla!","summary":"An issue was discovered in Joomla!","severity":"MEDIUM","cvss":{"score":6.5,"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","source":"nvd"},"published_at":"2021-05-26T00:00:00Z","modified_at":"2026-06-17T03:42:46.450000Z","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-2021-26034","description":"An issue was discovered in Joomla! 3.0.0 through 3.9.26. A missing token check causes a CSRF vulnerability in data download endpoints in com_banners and com_sysinfo.","cwe":["CWE-352"],"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":"3.0.0","version_end":"3.9.26","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":"3.0.0","version_end":"3.9.26","version_end_inclusive":true,"fixed_version":null,"type":"core","source":"nvd"}],"references":[{"url":"https://www.cert.ssi.gouv.fr/avis/CERTFR-2021-AVI-400/","title":"CERT-FR","source":"certfr"},{"url":"https://developer.joomla.org/security-centre/854-20210503-core-csrf-in-data-download-endpoints.html","title":"Vendor Advisory","source":"nvd"}],"source_records":[{"source":"certfr","external_id":"CERTFR-2021-AVI-400:CVE-2021-26034","url":"https://www.cert.ssi.gouv.fr/avis/CERTFR-2021-AVI-400/","severity":null,"cvss_score":null,"cvss_vector":null,"cvss_version":null,"first_seen_at":"2026-09-26T09:28:01.033089Z","last_seen_at":"2026-09-26T09:28:01.033089Z"},{"source":"nvd","external_id":"CVE-2021-26034","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26034","severity":"MEDIUM","cvss_score":6.5,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","cvss_version":"3.1","first_seen_at":"2026-09-26T09:34:22.289693Z","last_seen_at":"2026-09-26T09:34:22.289693Z"}],"history":[{"at":"2026-09-26T09:34:22.289693Z","event":"source_added","source":"nvd","detail":"Source ajoutée : nvd"},{"at":"2026-09-26T09:28:01.033089Z","event":"created","source":"certfr","detail":"Détectée via certfr"}]}}