An issue was discovered in baserCMS before 4.1.4. In the Register New Category feature of the Upload menu, the category name can be used for XSS via the data[UploaderCategory][name] parameter to an admin/uploader/uploader_categories/edit URI.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-18943.json"