{"id":"CVE-2021-28145","details":"Concrete CMS (formerly concrete5) before 8.5.5 allows remote authenticated users to conduct XSS attacks via a crafted survey block. This requires at least Editor privileges.","aliases":["GHSA-7388-7vq2-m4f4"],"modified":"2026-04-10T04:31:41.230252Z","published":"2021-03-18T16:15:14.717Z","references":[{"type":"ADVISORY","url":"https://documentation.concrete5.org/developers/introduction/version-history/855-release-notes"},{"type":"ADVISORY","url":"https://www.concrete5.org/developers/security"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/concretecms/concretecms","events":[{"introduced":"0"},{"fixed":"eb2e83dd9fc3f0eefa748ccc22bc4aed8ef85410"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"8.5.5"}]}}],"versions":["5.7.0","5.7.0.1","5.7.0.3","5.7.0.4","5.7.1","5.7.2","5.7.2.1","5.7.3","5.7.3.1","5.7.4.1","5.7.5.2","5.7.5.5","5.7.5.6","5.7.5.7","8.1.0","8.2.0","8.2.0RC2","8.2.1","8.3.1","8.4.1","8.4.2","8.4.3","8.4.4","8.4.5","8.5.0","8.5.1","8.5.2","8.5.3","8.5.4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-28145.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"}]}