Medium severity · published Oct 6, 2023
CVE-2023-44766
A Cross Site Scripting (XSS) vulnerability in Concrete CMS v.9.2.1 allows an attacker to execute arbitrary code via a crafted script to the SEO - Extra from Page Settings
4.8
CVSS
0.6%
EPSS
No
On KEV
Description
A Cross Site Scripting (XSS) vulnerability in Concrete CMS v.9.2.1 allows an attacker to execute arbitrary code via a crafted script to the SEO - Extra from Page Settings. NOTE: the vendor disputes this because this SEO-related header change can only be made by an admin, and allowing an admin to place JavaScript there is an intentional customization feature.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Concrete Cms · Concretecms
9.2.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-44766
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-44766
Exploit
https://github.com/sromanhu/ConcreteCMS-Stored-XSS---SEO
Third Party Advisory
https://www.concretecms.org/about/project-news/security/security-advisory-2023-10-31-concrete-cms-rejects-cve-2023-44760-and-cve-2023-44766
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