{"id":"CVE-2020-9280","aliases":["BIT-silverstripe-2020-9280","EUVD-2022-2539","GHSA-592m-4533-rxq9"],"status":"published","title":"SilverStripe Folders migrated from 3.x may be unsafe to upload to","description":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01729,"percentile":0.77745,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-434"],"published":"2020-04-15T20:18:14Z","modified":"2026-10-24T10:30:27Z","fixes":[{"ecosystem":"Packagist","package":"silverstripe/framework","fixed_in":["4.4.6"],"sources":["ghsa","osv"]},{"ecosystem":"Packagist","package":"silverstripe/userforms","fixed_in":["5.4.2"],"sources":["ghsa","osv"]},{"ecosystem":"Packagist","package":"silverstripe/assets","fixed_in":["1.4.7","1.5.2"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"silverstripe","fixed_in":["4.5.0"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"silverstripe/framework","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.4.6"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"silverstripe/userforms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0.0"},{"fixed":"5.4.2"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"silverstripe/assets","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0"},{"fixed":"1.4.7"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"silverstripe/assets","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.5.0"},{"fixed":"1.5.2"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"silverstripe","ranges":[{"type":"SEMVER","events":[{"introduced":"4.0.0"},{"fixed":"4.5.0"}]}]},{"source":"osv","ecosystem":"Packagist","package":"silverstripe/framework","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.4.6"}]}],"versions":["4.0.0","4.0.1","4.0.1-rc1","4.0.2","4.0.3","4.0.4","4.0.5","4.0.6","4.0.7","4.1.0","4.1.0-rc1","4.1.0-rc2","4.1.1","4.1.2","4.1.3","4.1.4","4.1.5","4.2.0","4.2.0-beta1","4.2.1","4.2.2","4.2.3","4.2.4","4.2.5","4.3.0","4.3.0-rc1","4.3.1","4.3.2","4.3.3","4.3.4","4.3.5","4.4.0","4.4.0-rc1","4.4.1","4.4.2","4.4.3","4.4.4","4.4.5"]},{"source":"osv","ecosystem":"Packagist","package":"silverstripe/userforms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0.0"},{"fixed":"5.4.2"}]}],"versions":["5.0.0","5.0.1","5.0.2","5.1.0","5.1.1","5.2.0","5.2.1","5.2.2","5.3.0","5.3.1","5.3.2","5.3.3","5.4.0","5.4.1"]},{"source":"osv","ecosystem":"Packagist","package":"silverstripe/assets","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0"},{"fixed":"1.4.7"}]}],"versions":["1.0.0","1.0.1","1.0.1-rc1","1.0.2","1.0.3","1.0.4","1.0.5","1.0.6","1.0.7","1.1.0","1.1.0-rc1","1.1.0-rc2","1.1.1","1.1.2","1.1.3","1.1.4","1.1.5","1.2.0","1.2.0-beta1","1.2.1","1.2.2","1.2.3","1.2.4","1.2.5","1.3.0","1.3.0-rc1","1.3.1","1.3.2","1.3.3","1.3.4","1.3.5","1.4.0","1.4.0-rc1","1.4.1","1.4.2","1.4.3","1.4.4","1.4.5","1.4.6"]},{"source":"osv","ecosystem":"Packagist","package":"silverstripe/assets","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.5.0"},{"fixed":"1.5.2"}]}],"versions":["1.5.0","1.5.1"]}],"products":[{"vendor":"silverstripe","product":"silverstripe"}],"references":[{"url":"https://www.silverstripe.org/download/security-releases/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","web","advisory"]},{"url":"https://forum.silverstripe.org/c/releases","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","web","advisory"]},{"url":"https://www.silverstripe.org/download/security-releases/cve-2020-9280","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-9280","tags":["advisory"]},{"url":"https://github.com/silverstripe/silverstripe-assets/commit/6779fd3c8c1c05a3db5035bf6e541c9483d161fc","tags":["web"]},{"url":"https://github.com/silverstripe/silverstripe-userforms/commit/3bbad2044279ade5e5a5d0ae1822bafe479f8a26","tags":["web"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/assets/CVE-2020-9280.yaml","tags":["web"]},{"url":"https://www.silverstripe.org/download/security-releases","tags":["web"]},{"url":"https://github.com/advisories/GHSA-592m-4533-rxq9"},{"url":"https://github.com/silverstripe/silverstripe-framework","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-9280","description":"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.","status":"published","published":"2020-04-15T20:18:14Z","modified":"2024-08-04T10:26:15.922Z","updated_at":"2026-11-02T14:35:49.538427Z"}],"euvd":[{"id":"EUVD-2022-2539","description":"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.","status":"published","published":"2020-04-15T20:18:14Z","modified":"2024-08-04T10:26:15Z","updated_at":"2026-11-03T03:07:54.599277Z"}],"ghsa":[{"id":"GHSA-592m-4533-rxq9","title":"SilverStripe Folders migrated from 3.x may be unsafe to upload to","description":"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.","status":"published","published":"2022-05-24T17:15:19Z","modified":"2024-04-25T21:06:39Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:37:46.667202Z"}],"nvd":[{"id":"CVE-2020-9280","description":"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.","status":"published","published":"2020-04-15T21:15:36.967Z","modified":"2026-06-17T03:27:41.687Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:05:59.125695Z"}],"osv":[{"id":"CVE-2020-9280","description":"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.","status":"published","published":"2020-04-15T21:15:36.967Z","modified":"2026-10-24T10:30:27.18596738Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:17.663289Z"},{"id":"GHSA-592m-4533-rxq9","title":"SilverStripe Folders migrated from 3.x may be unsafe to upload to","description":"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.","status":"published","published":"2022-05-24T17:15:19Z","modified":"2024-04-25T21:26:37.612295Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:46:38.213481Z"},{"id":"BIT-silverstripe-2020-9280","description":"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.","status":"published","published":"2024-03-06T11:06:02.885Z","modified":"2024-04-25T21:26:37.612295Z","updated_at":"2026-11-02T15:28:35.111822Z"}]}}