{"id":"CVE-2023-28819","aliases":["GHSA-474f-mcjv-pgrm"],"url":"https://o3.security/vulnerability/CVE-2023-28819","summary":"Concrete CMS (previously concrete5) is vulnerable to stored XSS in uploaded file and folder names","details":"Concrete CMS (previously concrete5) versions 8.5.12 and below, 9.0.0 through 9.0.2 is vulnerable to Stored XSS in uploaded file and folder names.","published":"2023-04-28T00:00:00Z","modified":"2026-10-28T02:30:59.833721096Z","cvss":{"score":3.5,"severity":"LOW","vector":"CVSS:3.1/AC:L/AV:N/A:N/C:L/I:L/PR:H/S:U/UI:R"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"concrete5/concrete5","fixedVersion":"9.1.0"}],"fix":{"url":"https://github.com/concretecms/concretecms/pull/11749","label":"concretecms/concretecms#11749"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/28xxx/CVE-2023-28819.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28819"},{"type":"ADVISORY","url":"https://www.concretecms.org/about/project-news/security/concrete-cms-security-advisory-2023-04-20"},{"type":"PACKAGE","url":"https://github.com/concretecms/concretecms/releases"},{"type":"ARTICLE","url":"https://www.concretecms.org/about/project-news/security/2023-11-09-security-blog-about-updated-cves-and-new-release"},{"type":"WEB","url":"https://github.com/concretecms/concretecms/pull/11749"},{"type":"WEB","url":"https://github.com/concretecms/concretecms/releases/tag/8.5.13"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-28T02:30:59.833721096Z"}}