{"id":"CVE-2023-48653","aliases":["GHSA-3rxx-8f33-7p6p"],"url":"https://o3.security/vulnerability/CVE-2023-48653","summary":"Concrete CMS Cross Site Request Forgery (CSRF) vulnerability","details":"Concrete CMS before 8.5.14 and 9 before 9.2.3 allows Cross Site Request Forgery (CSRF) via ccm/calendar/dialogs/event/delete/submit. An attacker can force an admin to delete events on the site because the event ID is numeric and sequential.","published":"2023-12-25T00:00:00Z","modified":"2026-07-15T01:49:18.706087482Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"concrete5/concrete5","fixedVersion":"8.5.14"},{"ecosystem":"Packagist","name":"concrete5/concrete5","fixedVersion":"9.2.3"}],"fix":null,"references":[{"type":"WEB","url":"https://documentation.concretecms.org/developers/introduction/version-history/923-release-notes"},{"type":"WEB","url":"https://www.concretecms.org/about/project-news/security/2023-12-05-concrete-cms-new-cves-and-cve-updates"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/48xxx/CVE-2023-48653.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-48653"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:49:18.706087482Z"}}