{"id":"GHSA-4rrc-5vp6-m3f6","aliases":["CVE-2020-16266"],"title":"MantisBT XSS issue on the view_all_bug_page.php ","description":"An XSS issue was discovered in MantisBT before 2.24.2. Improper escaping on view_all_bug_page.php allows a remote attacker to inject arbitrary HTML into the page by saving it into a text Custom Field, leading to possible code execution in the browser of any user subsequently viewing the issue (if CSP settings allow it).","severity":"medium","score":5.4,"published":"2022-05-24T17:25:22.000Z","modified":"2025-05-29T16:14:30.977Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"mantisbt/mantisbt","ranges":[{"events":[{"introduced":"2.1.0"},{"fixed":"2.24.2"}],"type":"ECOSYSTEM"}],"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","2.3.0","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"],"fixed":["2.24.2"]}],"references":["https://nvd.nist.gov/vuln/detail/CVE-2020-16266","https://github.com/mantisbt/mantisbt/commit/9ef8f23a8119221d010251112b1255630a46d903","https://github.com/mantisbt/mantisbt","https://mantisbt.org/blog/archives/mantisbt/665","https://mantisbt.org/bugs/view.php?id=27056"],"sources":[{"name":"OSV","id":"GHSA-4rrc-5vp6-m3f6","modified":"2025-05-29T16:14:30.977644Z","url":"https://osv.dev/vulnerability/GHSA-4rrc-5vp6-m3f6"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4}]}