{"id":"CVE-2018-18307","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-18307","generatedAt":"2026-10-28T20:11:26.980Z","title":"A Stored XSS vulnerability has been discovered in version 4.1.0 of AlchemyCMS via the /admin/pictures image field.","description":"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.\"","published":"2018-10-16T22:29:02.000Z","lastModified":"2026-06-17T01:46:58.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":6.1,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":["alchemy-cms/alchemy cms"],"epss":{"score":0.01698,"percentile":0.77056,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.70%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/149787/Alchemy-CMS-4.1-Stable-Cross-Site-Scripting.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://github.com/AlchemyCMS/alchemy_cms/blob/4.1-stable/app/controllers/alchemy/admin/base_controller.rb#L15","source":"cve@mitre.org"},{"url":"https://github.com/AlchemyCMS/alchemy_cms/blob/4.1-stable/app/controllers/alchemy/admin/pictures_controller.rb#L5","source":"cve@mitre.org"},{"url":"https://github.com/AlchemyCMS/alchemy_cms/blob/4.1-stable/app/controllers/alchemy/admin/resources_controller.rb#L21","source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/45601","source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/149787/Alchemy-CMS-4.1-Stable-Cross-Site-Scripting.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/AlchemyCMS/alchemy_cms/blob/4.1-stable/app/controllers/alchemy/admin/base_controller.rb#L15","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/AlchemyCMS/alchemy_cms/blob/4.1-stable/app/controllers/alchemy/admin/pictures_controller.rb#L5","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/AlchemyCMS/alchemy_cms/blob/4.1-stable/app/controllers/alchemy/admin/resources_controller.rb#L21","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-18307","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}