CVE-2024-4350

Concrete CMS version 9 below 9.3.3 and below 8.5.18 are vulnerable to Stored XSS in RSS Displayer

Description

Concrete CMS versions 9.0.0 to 9.3.2 and below 8.5.18 are vulnerable to Stored XSS in RSS Displayer when user input is stored and later embedded into responses. A rogue administrator could inject malicious code into fields due to insufficient input validation. The Concrete CMS security team gave this vulnerability a CVSS v4 score of 5.1 with vector https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N Thanks, m3dium for reporting. (CNA updated this risk rank on 17 Jan 2025 by lowering the AC based on CVSS 4.0 documentation that access privileges should not be considered for AC)

Categories

5.1
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.27%
Vendor Advisory concretecms.org Vendor Advisory concretecms.org
Affected: Concrete CMS Concrete CMS
Published at:
Updated at:

References

Link Tags
https://github.com/concretecms/concretecms/pull/12166 patch
https://github.com/concretecms/concretecms/commit/c08d9671cec4e7afdabb547339c4bc0bed8eab06 patch
https://documentation.concretecms.org/9-x/developers/introduction/version-history/933-release-notes?pk_vid=e367a434ef4830491723060415d52041 release notes vendor advisory
https://documentation.concretecms.org/developers/introduction/version-history/8518-release-notes?pk_vid=e367a434ef4830491723055758d52041 release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-4350?
CVE-2024-4350 has been scored as a medium severity vulnerability.
How to fix CVE-2024-4350?
To fix CVE-2024-4350, 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-2024-4350 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-4350 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-2024-4350?
CVE-2024-4350 affects Concrete CMS Concrete CMS.
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