{"id":"CVE-2018-17418","details":"Monstra CMS 3.0.4 allows remote attackers to execute arbitrary PHP code via a mixed-case file extension, as demonstrated by the 123.PhP filename, because plugins\\box\\filesmanager\\filesmanager.admin.php mishandles the forbidden_types variable.","modified":"2026-07-08T17:16:34.286434Z","published":"2019-03-07T23:29:00.860Z","references":[{"type":"EVIDENCE","url":"https://github.com/AlwaysHereFight/monstra_cms-3.0.4--getshell/blob/master/README.md"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/monstra-cms/monstra","events":[{"introduced":"81bad8b6649253bd972ac4158816189d38366216"},{"last_affected":"81bad8b6649253bd972ac4158816189d38366216"}],"database_specific":{"cpe":"cpe:2.3:a:monstra:monstra:3.0.4:*:*:*:*:*:*:*","extracted_events":[{"introduced":"3.0.4"},{"last_affected":"3.0.4"}],"source":"CPE_STRING"}}],"versions":["3.0.4","v3.0.4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-17418.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"}]}