{"id":"CVE-2017-7620","aliases":["GHSA-9x76-mp7r-2xc5"],"url":"https://o3.security/vulnerability/CVE-2017-7620","summary":"MantisBT vulnerable to CSRF and Open Redirect attacks","details":"MantisBT before 1.3.11, 2.x before 2.3.3, and 2.4.x before 2.4.1 omits a backslash check in string_api.php and consequently has conflicting interpretations of an initial \\/ substring as introducing either a local pathname or a remote hostname, which leads to (1) arbitrary Permalink Injection via CSRF attacks on a permalink_page.php?url= URI and (2) an open redirect via a login_page.php?return= URI.","published":"2017-05-21T14:29:00.180Z","modified":"2026-08-07T14:53:39.614330Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"},"epss":{"score":0.01359,"percentile":0.70111,"asOf":"2026-09-13"},"cisaKev":null,"exploitsKnown":3,"affectedPackages":[{"ecosystem":"Packagist","name":"mantisbt/mantisbt","fixedVersion":"1.3.11"},{"ecosystem":"Packagist","name":"mantisbt/mantisbt","fixedVersion":"2.3.3"},{"ecosystem":"Packagist","name":"mantisbt/mantisbt","fixedVersion":"2.4.1"}],"fix":null,"references":[{"type":"WEB","url":"http://www.securitytracker.com/id/1038538"},{"type":"REPORT","url":"https://mantisbt.org/bugs/view.php?id=22702"},{"type":"REPORT","url":"https://mantisbt.org/bugs/view.php?id=22816"},{"type":"EVIDENCE","url":"http://hyp3rlinx.altervista.org/advisories/MANTIS-BUG-TRACKER-CSRF-PERMALINK-INJECTION.txt"},{"type":"EVIDENCE","url":"https://www.exploit-db.com/exploits/42043/"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T14:53:39.614330Z"}}