{"id":"CVE-2021-43257","aliases":["GHSA-rg8f-5p7x-m6wv"],"url":"https://o3.security/vulnerability/CVE-2021-43257","summary":"MantisBT CSV Injection unprivileged user access in csv_export.php","details":"Lack of Neutralization of Formula Elements in the CSV API of MantisBT before 2.25.3 allows an unprivileged attacker to execute code or gain access to information when a user opens the csv_export.php generated CSV file in Excel.","published":"2022-04-14T20:15:09.157Z","modified":"2026-08-07T19:46:57.998053Z","cvss":{"score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Packagist","name":"mantisbt/mantisbt","fixedVersion":"2.25.3"}],"fix":{"url":"https://github.com/mantisbt/mantisbt/commit/7f4534c723e3162b8784aebda4836324041dbc3e","label":"mantisbt/mantisbt@7f4534c"},"references":[{"type":"FIX","url":"https://github.com/mantisbt/mantisbt/commit/7f4534c723e3162b8784aebda4836324041dbc3e"},{"type":"FIX","url":"https://www.mantisbt.org/bugs/view.php?id=29130"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T19:46:57.998053Z"}}