{"id":"CVE-2026-41897","aliases":["GHSA-j7v9-f46r-2rp4"],"url":"https://o3.security/vulnerability/CVE-2026-41897","summary":"MantisBT: Reflected XSS in Rendering Dynamic Custom Textarea Field","details":"Lack of validation of filter_target parameter on return_dynamic_filters.php (normally used as an AJAX in View Issues Page) allows an attacker to inject arbitrary HTML if the target is a TEXTAREA custom field.\n\n### Impact\nCross-site scripting (XSS)\n\n### Patches\n- c885af13f0b8596714ffe11df757c09f35fbd8f4\n\n### Workarounds\nNone\n\n### Credits\n\nThanks to siunam (Tang Cheuk Hei) for discovering and responsibly reporting the issue.","published":"2026-05-28T20:26:24.192Z","modified":"2026-08-12T03:51:42.256778143Z","cvss":null,"epss":{"score":0.00281,"percentile":0.20041,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"mantisbt/mantisbt","fixedVersion":"2.28.2"}],"fix":{"url":"https://github.com/mantisbt/mantisbt/commit/c885af13f0b8596714ffe11df757c09f35fbd8f4","label":"mantisbt/mantisbt@c885af1"},"references":[{"type":"WEB","url":"https://mantisbt.org/bugs/view.php?id=37013"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41897.json"},{"type":"ADVISORY","url":"https://github.com/mantisbt/mantisbt/security/advisories/GHSA-j7v9-f46r-2rp4"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41897"},{"type":"FIX","url":"https://github.com/mantisbt/mantisbt/commit/c885af13f0b8596714ffe11df757c09f35fbd8f4"},{"type":"PACKAGE","url":"https://github.com/mantisbt/mantisbt"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:42.256778143Z"}}