{"id":"CVE-2021-27915","aliases":["GHSA-2rc5-2755-v422"],"url":"https://o3.security/vulnerability/CVE-2021-27915","summary":"Mautic vulnerable to stored cross-site scripting in description field","details":"Prior to the patched version, there is an XSS vulnerability in the description fields within the Mautic application which could be exploited by a logged in user of Mautic with the appropriate permissions.\n\nThis could lead to the user having elevated access to the system.","published":"2024-09-17T14:15:14.100Z","modified":"2026-08-07T15:15:30.007988Z","cvss":{"score":9,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"mautic/core","fixedVersion":"4.4.12"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/mautic/mautic/security/advisories/GHSA-2rc5-2755-v422"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T15:15:30.007988Z"}}