{"id":"CVE-2021-28931","details":"Arbitrary file upload vulnerability in Fork CMS 5.9.2 allows attackers to create or replace arbitrary files in the /themes directory via a crafted zip file uploaded to the Themes panel.","aliases":["GHSA-748f-wv76-x9hg"],"modified":"2026-05-16T04:03:03.771012690Z","published":"2021-07-07T15:15:08.120Z","database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/bousalman/ForkCMS-arbitrary-upload/blob/main/README.md"},{"type":"ADVISORY","url":"https://github.com/forkcms/forkcms/releases/tag/5.9.2"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}