{"data":{"id":"CVE-2021-23129","cve_id":"CVE-2021-23129","title":"An issue was discovered in Joomla!","summary":"An issue was discovered in Joomla!","severity":"MEDIUM","cvss":{"score":6.1,"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","source":"nvd"},"published_at":"2021-03-04T18:15:13.440000Z","modified_at":"2026-06-17T03:38:19.023000Z","withdrawn_at":null,"is_joomla":true,"is_joomla_core":true,"relevance":"certain","product":"Joomla CMS","extension":{"type":null,"name":null},"sources":["nvd"],"source_count":1,"url":"https://cve.oyer.fr/cve/CVE-2021-23129","description":"An issue was discovered in Joomla! 2.5.0 through 3.9.24. Missing filtering of messages showed to users that could lead to xss issues.","cwe":["CWE-79"],"affected":[{"package":null,"product":"Joomla! CMS","vendor":"Joomla! Project","ecosystem":null,"cpe":null,"version_start":"2.5.0","version_end":"3.9.24","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":"3.9.25","version_end_inclusive":false,"fixed_version":"3.9.25","type":"core","source":"nvd"}],"references":[{"url":"https://developer.joomla.org/security-centre/843-20210303-core-xss-within-alert-messages-showed-to-users.html","title":"Vendor Advisory","source":"nvd"}],"source_records":[{"source":"nvd","external_id":"CVE-2021-23129","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23129","severity":"MEDIUM","cvss_score":6.1,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cvss_version":"3.1","first_seen_at":"2026-09-26T09:34:21.930246Z","last_seen_at":"2026-09-26T09:34:21.930246Z"}],"history":[{"at":"2026-09-26T09:34:21.930246Z","event":"created","source":"nvd","detail":"Détectée via nvd"}]}}