{"id":"CVE-2021-27909","aliases":["GHSA-32hw-3pvh-vcvc"],"url":"https://o3.security/vulnerability/CVE-2021-27909","summary":"XSS vulnerability on password reset page","details":"For Mautic versions prior to 3.3.4/4.0.0, there is an XSS vulnerability on Mautic's password reset page where a vulnerable parameter, \"bundle,\" in the URL could allow an attacker to execute Javascript code. The attacker would be required to convince or trick the target into clicking a password reset URL with the vulnerable parameter utilized.","published":"2021-08-30T16:15:07.230Z","modified":"2026-08-07T15:15:24.155313Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"mautic/core","fixedVersion":"3.3.4"},{"ecosystem":"Packagist","name":"mautic/core","fixedVersion":"4.0.0"}],"fix":null,"references":[{"type":"FIX","url":"https://github.com/mautic/mautic/security/advisories/GHSA-32hw-3pvh-vcvc"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T15:15:24.155313Z"}}