{"id":"GHSA-7388-7vq2-m4f4","aliases":["CVE-2021-28145"],"title":"Concrete CMS Cross-site Scripting via Survey Blocks","titleSource":"OSV","descriptionSource":"OSV","declaredSeverity":"MODERATE","description":"Concrete CMS (formerly concrete5) before 8.5.5 allows remote authenticated users to conduct Cross-site Scripting (XSS) attacks via a crafted survey block. This requires at least Editor privileges.","severity":"medium","score":5.4,"published":"2022-05-24T17:44:52.000Z","modified":"2024-02-16T08:24:53.430Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"concrete5/concrete5","sources":[{"name":"OSV · GHSA-7388-7vq2-m4f4","url":"https://osv.dev/vulnerability/GHSA-7388-7vq2-m4f4"}],"ranges":[{"events":[{"introduced":"0"},{"fixed":"8.5.5"}],"type":"ECOSYSTEM"}],"versions":["8.0","8.0.1","8.0.2","8.0.3","8.1.0","8.2.0","8.2.0RC2","8.2.1","8.3.0","8.3.1","8.3.2","8.4.0","8.4.0RC3","8.4.0RC4","8.4.1","8.4.2","8.4.3","8.4.4","8.4.5","8.5.0","8.5.0RC1","8.5.0RC2","8.5.1","8.5.2","8.5.3","8.5.4"],"fixed":["8.5.5"]}],"sourceAffected":[],"references":["https://nvd.nist.gov/vuln/detail/CVE-2021-28145","https://documentation.concrete5.org/developers/introduction/version-history/855-release-notes","https://github.com/S1lkys/CVE-2021-40101","https://www.concrete5.org/developers/security"],"sources":[{"name":"OSV","id":"GHSA-7388-7vq2-m4f4","modified":"2024-02-16T08:24:53.430988Z","url":"https://osv.dev/vulnerability/GHSA-7388-7vq2-m4f4"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4}],"products":[],"remediation":[],"kev":{"status":"not-listed","checkedAt":"2026-10-29T01:00:32.443Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}