{"id":"CVE-2020-9280","aliases":["BIT-silverstripe-2020-9280","GHSA-592m-4533-rxq9"],"url":"https://o3.security/vulnerability/CVE-2020-9280","summary":"SilverStripe Folders migrated from 3.x may be unsafe to upload to","details":"In SilverStripe through 4.5, files uploaded via Forms to folders migrated from Silverstripe CMS 3.x may be put to the default \"/Uploads\" folder instead. This affects installations which allowed upload folder protection via the optional silverstripe/secureassets module under 3.x. This module is installed and enabled by default on the Common Web Platform (CWP). The vulnerability only affects files uploaded after an upgrade to 4.x.","published":"2020-04-15T21:15:36.967Z","modified":"2026-08-07T15:14:57.387037Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"silverstripe/framework","fixedVersion":"4.4.6"},{"ecosystem":"Packagist","name":"silverstripe/userforms","fixedVersion":"5.4.2"},{"ecosystem":"Packagist","name":"silverstripe/assets","fixedVersion":"1.4.7"},{"ecosystem":"Packagist","name":"silverstripe/assets","fixedVersion":"1.5.2"}],"fix":{"url":"https://github.com/silverstripe/silverstripe-assets/commit/6779fd3c8c1c05a3db5035bf6e541c9483d161fc","label":"silverstripe/silverstripe-assets@6779fd3"},"references":[{"type":"ADVISORY","url":"https://forum.silverstripe.org/c/releases"},{"type":"ADVISORY","url":"https://www.silverstripe.org/download/security-releases/"},{"type":"ADVISORY","url":"https://www.silverstripe.org/download/security-releases/cve-2020-9280"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-9280"},{"type":"WEB","url":"https://github.com/silverstripe/silverstripe-assets/commit/6779fd3c8c1c05a3db5035bf6e541c9483d161fc"},{"type":"WEB","url":"https://github.com/silverstripe/silverstripe-userforms/commit/3bbad2044279ade5e5a5d0ae1822bafe479f8a26"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/assets/CVE-2020-9280.yaml"},{"type":"PACKAGE","url":"https://github.com/silverstripe/silverstripe-framework"},{"type":"WEB","url":"https://www.silverstripe.org/download/security-releases"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T15:14:57.387037Z"}}