{"id":"CVE-2024-8660","aliases":["EUVD-2024-2758","GHSA-998c-q8hh-h8gv"],"status":"published","title":"Stored XSS in the \"Top Navigator Bar\" block","description":"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.","severity":{"version":"4.0","score":4.6,"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0029,"percentile":0.21772,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2024-09-17T18:13:59Z","modified":"2026-10-28T02:30:47Z","fixes":[{"ecosystem":"Packagist","package":"concrete5/concrete5","fixed_in":["9.3.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"concrete5/concrete5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.3.3"}]}]},{"source":"osv","ecosystem":"Packagist","package":"concrete5/concrete5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.3.3"}]}],"versions":["9.0.0","9.0.1","9.0.2","9.1.0","9.1.1","9.1.2","9.1.3","9.2.0","9.2.0RC2","9.2.1","9.2.2","9.2.3","9.2.4","9.2.5","9.2.6","9.2.7","9.2.8","9.2.9","9.3.0","9.3.1","9.3.2"]}],"products":[{"vendor":"concrete cms","product":"concrete cms"},{"vendor":"concretecms","product":"concrete_cms"}],"references":[{"url":"https://documentation.concretecms.org/9-x/developers/introduction/version-history/934-release-notes","tags":["Release Notes","web"]},{"url":"https://github.com/concretecms/concretecms/pull/12128","tags":["Issue Tracking","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-8660","tags":["advisory"]},{"url":"https://github.com/concretecms/concretecms/commit/f5a01c88fb2630db96e58dcd7f52ea41e516d4e9","tags":["web"]},{"url":"https://github.com/advisories/GHSA-998c-q8hh-h8gv"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/8xxx/CVE-2024-8660.json","tags":["advisory"]},{"url":"https://github.com/concretecms/concretecms","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-8660","title":"Stored XSS in the \"Top Navigator Bar\" block","description":"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.","status":"published","published":"2024-09-17T18:13:59.21Z","modified":"2024-09-18T14:26:21.912Z","cvss":[{"version":"4.0","score":4.6,"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","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:34:09.540667Z"}],"euvd":[{"id":"EUVD-2024-2758","description":"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.","status":"published","published":"2024-09-17T18:13:59Z","modified":"2024-09-18T14:26:21Z","cvss":[{"version":"4.0","score":4.6,"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","level":"medium"}],"updated_at":"2026-11-03T00:28:21.470786Z"}],"ghsa":[{"id":"GHSA-998c-q8hh-h8gv","title":"Concrete CMS stored XSS vulnerability in the \"Top Navigator Bar\" block","description":"Concrete CMS versions 9.0.0 through 9.3.3 are affected by a stored XSS vulnerability in the \"Top Navigator Bar\" block. Since 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. This does not affect versions below 9.0.0  since they do not have the Top\nNavigator Bar Block. Thanks, Chu Quoc Khanh for reporting.","status":"published","published":"2024-09-17T21:30:32Z","modified":"2024-09-17T22:02:27Z","cvss":[{"version":"4.0","score":4.6,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:38:03.800952Z"}],"nvd":[{"id":"CVE-2024-8660","description":"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.","status":"published","published":"2024-09-17T19:15:28.953Z","modified":"2026-06-17T08:23:04.09Z","cvss":[{"version":"4.0","score":4.6,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:10:26.717759Z"}],"osv":[{"id":"CVE-2024-8660","title":"Stored XSS in the \"Top Navigator Bar\" block","description":"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.","status":"published","published":"2024-09-17T18:13:59.21Z","modified":"2026-10-28T02:30:47.455375775Z","cvss":[{"version":"4.0","score":4.6,"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","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:45.405014Z"},{"id":"GHSA-998c-q8hh-h8gv","title":"Concrete CMS stored XSS vulnerability in the \"Top Navigator Bar\" block","description":"Concrete CMS versions 9.0.0 through 9.3.3 are affected by a stored XSS vulnerability in the \"Top Navigator Bar\" block. Since 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. This does not affect versions below 9.0.0  since they do not have the Top\nNavigator Bar Block. Thanks, Chu Quoc Khanh for reporting.","status":"published","published":"2024-09-17T21:30:32Z","modified":"2024-09-17T22:27:34.119003Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"},{"version":"4.0","score":4.6,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:43.524801Z"}]}}