CVE-2024-8661

Concrete CMS versions 9.0.0 to 9.3.3 and below 8.5.19 are vulnerable to Stored XSS in the "Next&Previous Nav" block. A rogue administrator could add a malicious payload by executing it in the browsers of targeted users. The Concrete CMS Security Team gave this vulnerability a CVSS v4 score of 4.6 with 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  Since the "Next&Previous Nav" block output was not sufficiently sanitized, the malicious payload could be executed in the browsers of targeted users. Thanks, Chu Quoc Khanh for reporting.

• CWE-79
• CWE-79

• https://documentation.concretecms.org/9-x/developers/introduction/version-history/934-release-notesRelease Notes
• https://documentation.concretecms.org/developers/introduction/version-history/8519-release-notesRelease Notes
• https://github.com/concretecms/concretecms/commit/ce5ee2ab83fe8de6fa012dd51c5a1dde05cb0dc4Patch
• https://github.com/concretecms/concretecms/pull/12204Patch

Published

Sep 16, 2024

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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