{"id":"CVE-2021-3921","aliases":["GHSA-q2cv-94xm-qvg4"],"url":"https://o3.security/vulnerability/CVE-2021-3921","summary":"firefly-iii is vulnerable to Cross-Site Request Forgery (CSRF)","details":"firefly-iii is vulnerable to Cross-Site Request Forgery (CSRF)","published":"2021-11-13T09:15:06.893Z","modified":"2026-07-09T01:07:12.884536Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Packagist","name":"grumpydictator/firefly-iii","fixedVersion":"5.6.3"}],"fix":{"url":"https://github.com/firefly-iii/firefly-iii/commit/47fa9e39561a9ec9e210e4023d090a7b33381684","label":"firefly-iii/firefly-iii@47fa9e3"},"references":[{"type":"FIX","url":"https://github.com/firefly-iii/firefly-iii/commit/47fa9e39561a9ec9e210e4023d090a7b33381684"},{"type":"FIX","url":"https://huntr.dev/bounties/724d3fd5-9f04-45c4-98d6-35a7d15468f5"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T01:07:12.884536Z"}}