{"id":"CVE-2026-71573","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-71573","summary":"Joomla! Core - [20260802] - Improper CORS origin validation in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper implementation prevented configured CORS origins from being properly validated…","details":"Joomla! Core - [20260802] - Improper CORS origin validation in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper implementation prevented configured CORS origins from being properly validated in CORS requests.","published":"2026-08-18T17:17:02.243","modified":"2026-08-28T21:28:35.253","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://developer.joomla.org/security-centre/20260802-core-improper-cors-origin-validation.html"},{"type":"WEB","url":"https://www.joomla.org/"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-28T21:28:35.253"}}