CVE-2024-8661: Concrete CMS version 9.0.0 to 9.3.3 and below 8.5.19 are vulnerable to Stored XSS in the "Next&Previous Nav" block
First published: Mon Sep 16 2024(Updated: )
Concrete CMS versions 9.0.0 to 9.3.3 and below 8.5.18 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.
Credit: ff5b8ace-8b95-4078-9743-eac1ca5451de ff5b8ace-8b95-4078-9743-eac1ca5451de
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/concrete5/concrete5 | >=9.0.0<9.3.4 | 9.3.4 |
| composer/concrete5/concrete5 | <8.5.19 | 8.5.19 |
| Concretecms Concrete Cms | <8.5.19 | |
| Concretecms Concrete Cms | >=9.0<9.3.4 |
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Reference Links
- https://documentation.concretecms.org/9-x/developers/introduction/version-history/934-release-notes
- https://documentation.concretecms.org/developers/introduction/version-history/8519-release-notes
- https://github.com/concretecms/concretecms/pull/12204
- https://github.com/concretecms/concretecms/commit/ce5ee2ab83fe8de6fa012dd51c5a1dde05cb0dc4
- https://nvd.nist.gov/vuln/detail/CVE-2024-8661
- https://github.com/concretecms/concretecms/commit/3e548b416ae32efee1e0a42c4510be1106c7eb25
- https://github.com/advisories/GHSA-xmxj-v2q8-8qx6 (Advisory)
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