{"id":"GHSA-779c-7w4p-2c4g","aliases":[],"status":"published","title":"Silverstripe admin XSS Vulnerability via WYSIWYG editor","description":"It is possible for a bad actor with access to the CMS to make use of onmouseover or onmouseout attributes in the WYSIWYG editor to embed malicious javascript.","severity":{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N","level":"low","from":"ghsa"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2024-05-22T18:18:18Z","modified":"2024-12-07T05:36:33Z","fixes":[{"ecosystem":"Packagist","package":"silverstripe/admin","fixed_in":["1.0.4","1.1.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"silverstripe/admin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.3"},{"fixed":"1.0.4"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"silverstripe/admin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.1.0"},{"fixed":"1.1.1"}]}]},{"source":"osv","ecosystem":"Packagist","package":"silverstripe/admin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.3"},{"fixed":"1.0.4"}]}],"versions":["1.0.3"]},{"source":"osv","ecosystem":"Packagist","package":"silverstripe/admin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.1.0"},{"fixed":"1.1.1"}]}],"versions":["1.1.0"]}],"references":[{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/admin/SS-2018-004-1.yaml","tags":["web"]},{"url":"https://www.silverstripe.org/download/security-releases/ss-2018-004","tags":["web"]},{"url":"https://github.com/advisories/GHSA-779c-7w4p-2c4g"},{"url":"https://github.com/silverstripe/silverstripe-admin","tags":["package"]}],"sources":{"ghsa":[{"id":"GHSA-779c-7w4p-2c4g","title":"Silverstripe admin XSS Vulnerability via WYSIWYG editor","description":"It is possible for a bad actor with access to the CMS to make use of onmouseover or onmouseout attributes in the WYSIWYG editor to embed malicious javascript.","status":"published","published":"2024-05-22T18:18:18Z","modified":"2024-05-22T18:18:20Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:37:51.549437Z"}],"osv":[{"id":"GHSA-779c-7w4p-2c4g","title":"Silverstripe admin XSS Vulnerability via WYSIWYG editor","description":"It is possible for a bad actor with access to the CMS to make use of onmouseover or onmouseout attributes in the WYSIWYG editor to embed malicious javascript.","status":"published","published":"2024-05-22T18:18:18Z","modified":"2024-12-07T05:36:33.693355Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:40.657155Z"}]}}