{"id":"CVE-2021-3846","aliases":["GHSA-5gq7-826w-8282"],"url":"https://o3.security/vulnerability/CVE-2021-3846","summary":"Unrestricted File Upload vulnerability in Firefly III","details":"firefly-iii is vulnerable to Unrestricted Upload of File with Dangerous Type","published":"2021-10-19T13:15:11.567Z","modified":"2026-07-09T00:22:37.334734Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.00779,"percentile":0.54227,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Packagist","name":"grumpydictator/firefly-iii","fixedVersion":"5.6.2"}],"fix":{"url":"https://github.com/firefly-iii/firefly-iii/commit/a85b6420c19ace35134f896e094e1971d8c7954b","label":"firefly-iii/firefly-iii@a85b642"},"references":[{"type":"FIX","url":"https://github.com/firefly-iii/firefly-iii/commit/a85b6420c19ace35134f896e094e1971d8c7954b"},{"type":"FIX","url":"https://huntr.dev/bounties/5267ec1c-d204-40d2-bd4f-6c2dd495ee18"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:22:37.334734Z"}}