{"id":"GHSA-f633-865q-2mhh","summary":"MantisBT is Vulnerable to Stored XSS in Saved-Filter Owner Column","details":"Incorrect escaping of a saved filter's owner allows an attacker to inject arbitrary HTML on systems where $g_show_user_realname = ON.\n\n### Impact\nCross-site scripting (XSS).\n\nNote that By default, only users with *Manager* access level or above can save their filters publicly\n\n### Patches\n- 44f490bcf20fd491c1b8f3fc9dd041d8c2a30010\n\n### Workarounds\n- Prevent display of users' real name (set `$g_ show_user_realname = OFF;` in configuration)\n- Restrict ability to store filters (set $`g_stored_query_create_threshold` / $`g_stored_query_create_shared_threshold` to `NOBODY` \n\n### Credits\nThanks to siunam (Tang Cheuk Hei) for discovering and responsibly reporting the issue.","aliases":["CVE-2026-40607"],"modified":"2026-09-10T03:51:05.361497190Z","published":"2026-05-11T19:35:05Z","database_specific":{"github_reviewed_at":"2026-05-11T19:35:05Z","nvd_published_at":"2026-05-22T20:16:34Z","cwe_ids":["CWE-79"],"severity":"HIGH","github_reviewed":true},"references":[{"type":"WEB","url":"https://github.com/mantisbt/mantisbt/security/advisories/GHSA-f633-865q-2mhh"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40607"},{"type":"WEB","url":"https://github.com/mantisbt/mantisbt/commit/44f490bcf20fd491c1b8f3fc9dd041d8c2a30010"},{"type":"PACKAGE","url":"https://github.com/mantisbt/mantisbt"},{"type":"WEB","url":"https://mantisbt.org/bugs/view.php?id=37015"}],"affected":[{"package":{"name":"mantisbt/mantisbt","ecosystem":"Packagist","purl":"pkg:composer/mantisbt/mantisbt"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.28.2"}]}],"versions":["2.10.0","2.10.1","2.11.0","2.11.1","2.12.0","2.12.1","2.12.2","2.13.0","2.13.1","2.13.2","2.14.0","2.15.0","2.15.1","2.16.0","2.16.1","2.17.0","2.17.1","2.17.2","2.18.0","2.18.1","2.19.0","2.19.1","2.20.0","2.20.1","2.21.0","2.21.1","2.21.2","2.21.3","2.22.0","2.22.1","2.22.2","2.23.0","2.23.1","2.24.0","2.24.1","2.24.2","2.24.3","2.24.4","2.24.5","2.25.0","2.25.1","2.25.2","2.25.3","2.25.4","2.25.5","2.25.6","2.25.7","2.25.8","2.26.0","2.26.1","2.26.2","2.26.3","2.26.4","2.27.0","2.27.1","2.27.2","2.27.3","2.28.0","2.28.1","2.3.0","2.3.1","2.3.2","2.3.3","2.4.0","2.4.1","2.4.2","2.5.0","2.5.1","2.5.2","2.6.0","2.7.0","2.7.1","2.8.0","2.8.1","2.9.0","2.9.1"],"database_specific":{"last_known_affected_version_range":"\u003c= 2.28.1","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-f633-865q-2mhh/GHSA-f633-865q-2mhh.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N"}]}