{"id":"CVE-2024-8660","aliases":["GHSA-998c-q8hh-h8gv"],"url":"https://o3.security/vulnerability/CVE-2024-8660","summary":"Stored XSS in the \"Top Navigator Bar\" block","details":"Concrete CMS versions 9.0.0 through 9.3.3 are affected by a\nstored XSS vulnerability in the \"Top Navigator Bar\" block.\nSince the \"Top Navigator Bar\" output was not sufficiently sanitized, a rogue administrator could add a malicious payload that could be executed when targeted users visited the home page.The Concrete CMS Security Team gave this vulnerability a CVSS v4 score of 4.6\nwith vector  CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N . This\ndoes not affect versions below 9.0.0  since they do not have the Top\nNavigator Bar Block. Thanks, Chu Quoc Khanh for reporting.","published":"2024-09-17T18:13:59.210Z","modified":"2026-08-12T03:51:26.002495222Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"concrete5/concrete5","fixedVersion":"9.3.3"}],"fix":{"url":"https://github.com/concretecms/concretecms/pull/12128","label":"concretecms/concretecms#12128"},"references":[{"type":"WEB","url":"https://documentation.concretecms.org/9-x/developers/introduction/version-history/934-release-notes"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/8xxx/CVE-2024-8660.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-8660"},{"type":"FIX","url":"https://github.com/concretecms/concretecms/pull/12128"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:26.002495222Z"}}