{"id":"CVE-2018-18307","details":"A Stored XSS vulnerability has been discovered in version 4.1.0 of AlchemyCMS via the /admin/pictures image field. NOTE: the vendor's position is that this is not a valid report: \"The researcher used an authorized cookie to perform the request to a password-protected route. Without that session cookie, the request would have been rejected as unauthorized.\"","modified":"2026-07-08T15:54:08.668917Z","published":"2018-10-16T22:29:01.697Z","references":[{"type":"WEB","url":"https://github.com/AlchemyCMS/alchemy_cms/blob/4.1-stable/app/controllers/alchemy/admin/base_controller.rb#L15"},{"type":"WEB","url":"https://github.com/AlchemyCMS/alchemy_cms/blob/4.1-stable/app/controllers/alchemy/admin/pictures_controller.rb#L5"},{"type":"WEB","url":"https://github.com/AlchemyCMS/alchemy_cms/blob/4.1-stable/app/controllers/alchemy/admin/resources_controller.rb#L21"},{"type":"WEB","url":"https://www.exploit-db.com/exploits/45601"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/149787/Alchemy-CMS-4.1-Stable-Cross-Site-Scripting.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/alchemycms/alchemy_cms","events":[{"introduced":"de6e53192bc846016e6f16adaa92f9e0406751ab"},{"last_affected":"de6e53192bc846016e6f16adaa92f9e0406751ab"}],"database_specific":{"cpe":"cpe:2.3:a:alchemy-cms:alchemy_cms:4.1.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.1.0"},{"last_affected":"4.1.0"}],"source":"CPE_STRING"}}],"versions":["4.1.0","v4.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18307.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}