{"id":"CVE-2023-28475","aliases":["GHSA-vcpr-hm2m-gjjj"],"url":"https://o3.security/vulnerability/CVE-2023-28475","summary":"Reflected cross site scripting","details":"Concrete CMS (previously concrete5) versions 8.5.12 and below, and versions 9.0 through 9.1.3 is vulnerable to Reflected XSS on the Reply form because msgID was not sanitized.","published":"2023-04-28T00:00:00Z","modified":"2026-08-12T03:51:12.981604880Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"concrete5/concrete5","fixedVersion":"9.2.0"}],"fix":null,"references":[{"type":"WEB","url":"https://concretecms.com"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/28xxx/CVE-2023-28475.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28475"},{"type":"ADVISORY","url":"https://www.concretecms.org/about/project-news/security/concrete-cms-security-advisory-2023-04-20"},{"type":"ARTICLE","url":"https://www.concretecms.org/about/project-news/security/2023-11-09-security-blog-about-updated-cves-and-new-release"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:12.981604880Z"}}