{"id":"CVE-2021-21023","aliases":["BIT-magento-2021-21023","GHSA-h5rm-m772-6qcx"],"url":"https://o3.security/vulnerability/CVE-2021-21023","summary":"Magento stored cross-site scripting vulnerability in the admin console","details":"Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to a stored cross-site scripting vulnerability in the admin console. Successful exploitation could lead to arbitrary JavaScript execution in the victim's browser. Access to the admin console is required for successful exploitation.","published":"2021-02-11T20:15:14.387Z","modified":"2026-07-09T00:12:25.098872Z","cvss":{"score":4.8,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"magento/community-edition","fixedVersion":"2.3.6"},{"ecosystem":"Packagist","name":"magento/community-edition","fixedVersion":"2.4.1-p1"},{"ecosystem":"Packagist","name":"magento/project-community-edition","fixedVersion":null}],"fix":null,"references":[{"type":"ADVISORY","url":"https://helpx.adobe.com/security/products/magento/apsb21-08.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:12:25.098872Z"}}