CVE-2024-8660

Stored XSS 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.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 . This does not affect versions below 9.0.0 since they do not have the Top Navigator Bar Block. Thanks, Chu Quoc Khanh for reporting.

Category

4.6
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.04%
Affected: Concrete CMS Concrete CMS
Published at:
Updated at:

References

Link Tags
https://documentation.concretecms.org/9-x/developers/introduction/version-history/934-release-notes release notes
https://github.com/concretecms/concretecms/pull/12128 patch issue tracking

Frequently Asked Questions

What is the severity of CVE-2024-8660?
CVE-2024-8660 has been scored as a medium severity vulnerability.
How to fix CVE-2024-8660?
To fix CVE-2024-8660, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-8660 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-8660 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-8660?
CVE-2024-8660 affects Concrete CMS Concrete CMS.
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