{"id":"CVE-2020-25288","aliases":["GHSA-qgrr-f26j-87vf"],"url":"https://o3.security/vulnerability/CVE-2020-25288","summary":"MantisBT XXS where a Custom Field with a crafted Regular Expression property is used","details":"An issue was discovered in MantisBT before 2.24.3. When editing an Issue in a Project where a Custom Field with a crafted Regular Expression property is used, improper escaping of the corresponding form input's pattern attribute allows HTML injection and, if CSP settings permit, execution of arbitrary JavaScript.","published":"2020-09-30T21:15:13.167Z","modified":"2026-08-07T15:12:08.626819Z","cvss":{"score":4.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"},"epss":{"score":0.0149,"percentile":0.71702,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Packagist","name":"mantisbt/mantisbt","fixedVersion":"2.24.3"}],"fix":{"url":"http://github.com/mantisbt/mantisbt/commit/221cf323f16a9738a5b27aaba94758f11281d85c","label":"mantisbt/mantisbt@221cf32"},"references":[{"type":"FIX","url":"http://github.com/mantisbt/mantisbt/commit/221cf323f16a9738a5b27aaba94758f11281d85c"},{"type":"FIX","url":"https://mantisbt.org/bugs/view.php?id=27275"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T15:12:08.626819Z"}}