{"id":"GHSA-2ggc-552c-rmqr","aliases":["CVE-2023-28476"],"title":"Stored cross site scripting on tags","description":"Concrete CMS (previously concrete5) before 9.2 is vulnerable to Stored XSS on Tags on uploaded files.","severity":"medium","score":5.4,"published":"2023-04-28T15:30:18.000Z","modified":"2026-09-10T03:49:53.180Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"concrete5/concrete5","ranges":[{"events":[{"introduced":"0"},{"fixed":"9.2.0"}],"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","8.5.10","8.5.11","8.5.12","8.5.13","8.5.14","8.5.15","8.5.16","8.5.17","8.5.18","8.5.19","8.5.2","8.5.20","8.5.21","8.5.3","8.5.4","8.5.5","8.5.6","8.5.6RC1","8.5.7","8.5.8","8.5.9","9.0.0","9.0.0RC1","9.0.0RC3","9.0.0RC4","9.0.1","9.0.2","9.1.0","9.1.1","9.1.2","9.1.3","9.2.0RC2"],"fixed":["9.2.0"]}],"references":["https://nvd.nist.gov/vuln/detail/CVE-2023-28476","https://concretecms.com","https://github.com/concretecms/concretecms","https://www.concretecms.org/about/project-news/security/2023-12-05-concrete-cms-new-cves-and-cve-updates","https://www.concretecms.org/about/project-news/security/concrete-cms-security-advisory-2023-04-20"],"sources":[{"name":"OSV","id":"GHSA-2ggc-552c-rmqr","modified":"2026-09-10T03:49:53.180054633Z","url":"https://osv.dev/vulnerability/GHSA-2ggc-552c-rmqr"}],"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}]}