{"id":"CVE-2026-41897","aliases":["EUVD-2026-33024","GHSA-j7v9-f46r-2rp4"],"status":"published","title":"MantisBT: Reflected XSS in Rendering Dynamic Custom Textarea Field","description":"Mantis Bug Tracker (MantisBT) is an open source issue tracker. From 1.0.0 to 2.28.1, 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. This vulnerability is fixed in 2.28.2.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00281,"percentile":0.20767,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2026-05-11T19:39:22Z","modified":"2026-10-28T02:30:58Z","fixes":[{"ecosystem":"Packagist","package":"mantisbt/mantisbt","fixed_in":["2.28.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"mantisbt/mantisbt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0"},{"fixed":"2.28.2"}]}]},{"source":"osv","ecosystem":"Packagist","package":"mantisbt/mantisbt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0"},{"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"]}],"products":[{"vendor":"mantisbt","product":"mantisbt"}],"references":[{"url":"https://github.com/mantisbt/mantisbt/security/advisories/GHSA-j7v9-f46r-2rp4","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/mantisbt/mantisbt/commit/c885af13f0b8596714ffe11df757c09f35fbd8f4","tags":["x_refsource_MISC","fix","web"]},{"url":"https://mantisbt.org/bugs/view.php?id=37013","tags":["x_refsource_MISC","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41897","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-j7v9-f46r-2rp4"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41897.json","tags":["advisory"]},{"url":"https://github.com/mantisbt/mantisbt","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-41897","title":"MantisBT: Reflected XSS in Rendering Dynamic Custom Textarea Field","description":"Mantis Bug Tracker (MantisBT) is an open source issue tracker. From 1.0.0 to 2.28.1, 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. This vulnerability is fixed in 2.28.2.","status":"published","published":"2026-05-28T20:26:24.192Z","modified":"2026-05-30T02:15:20.499Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:41:19.694734Z"}],"euvd":[{"id":"EUVD-2026-33024","description":"Mantis Bug Tracker (MantisBT) is an open source issue tracker. From 1.0.0 to 2.28.1, 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. This vulnerability is fixed in 2.28.2.","status":"published","published":"2026-05-28T20:26:24Z","modified":"2026-05-30T02:15:20Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:20:59.967985Z"}],"ghsa":[{"id":"GHSA-j7v9-f46r-2rp4","title":"MantisBT is Vulnerable to Reflected XSS in Rendering Dynamic Custom Textarea Field","description":"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.","status":"published","published":"2026-05-11T19:39:22Z","modified":"2026-06-09T10:23:39Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:40:22.540562Z"}],"nvd":[{"id":"CVE-2026-41897","description":"Mantis Bug Tracker (MantisBT) is an open source issue tracker. From 1.0.0 to 2.28.1, 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. This vulnerability is fixed in 2.28.2.","status":"published","published":"2026-05-28T21:16:29.64Z","modified":"2026-06-17T10:47:09.567Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:21.244426Z"}],"osv":[{"id":"CVE-2026-41897","title":"MantisBT: Reflected XSS in Rendering Dynamic Custom Textarea Field","description":"Mantis Bug Tracker (MantisBT) is an open source issue tracker. From 1.0.0 to 2.28.1, 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. This vulnerability is fixed in 2.28.2.","status":"published","published":"2026-05-28T20:26:24.192Z","modified":"2026-10-28T02:30:58.627568004Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:45:03.764807Z"},{"id":"GHSA-j7v9-f46r-2rp4","title":"MantisBT is Vulnerable to Reflected XSS in Rendering Dynamic Custom Textarea Field","description":"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.","status":"published","published":"2026-05-11T19:39:22Z","modified":"2026-09-10T03:50:47.202389672Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:49.977351Z"}]}}