{"action":"Upgrade concrete5/concrete5 to 9.1.0 or later.","affected":[{"fixed":"9.1.0","introduced":"0"}],"component":"concrete5/concrete5","cve_ids":["CVE-2023-28819"],"ecosystem":"Packagist","epss":0.0064,"exploited":false,"fixed_versions":["9.1.0"],"ghsa_id":"GHSA-474f-mcjv-pgrm","id":"tcs_01M5KETR7G4MW475XWX745XD1N","modified_at":"2026-09-10T03:49:53.368746026Z","published_at":"2023-04-28T15:30:19Z","references":["https://osv.dev/vulnerability/GHSA-474f-mcjv-pgrm","https://nvd.nist.gov/vuln/detail/CVE-2023-28819","https://github.com/concretecms/concretecms/pull/11749","https://github.com/concretecms/concretecms/releases","https://github.com/concretecms/concretecms/releases/tag/8.5.13","https://www.concretecms.org/about/project-news/security/2023-11-09-security-blog-about-updated-cves-and-new-release","https://www.concretecms.org/about/project-news/security/concrete-cms-security-advisory-2023-04-20"],"severity":{"label":"low","score":3.5},"sources":[{"source":"osv","source_id":"GHSA-474f-mcjv-pgrm","url":"https://osv.dev/vulnerability/GHSA-474f-mcjv-pgrm"}],"summary":"Concrete CMS (previously concrete5) is vulnerable to stored XSS in uploaded file and folder names"}