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CVE-2023-44766

4.8 · MEDIUM

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.

Published Oct 6, 2023CWE-79EPSS 0.60%

Overview

CVE-2023-44766 is a medium-severity vulnerability. It was published on October 6, 2023 and has a CVSS 3.1 base score of 4.8 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/sromanhu/ConcreteCMS-Stored-XSS---SEORefwww.concretecms.org/about/project-news/security/security-advisory-2023-10-31-concrete-cms-rejects-cve-2023-44760-and-cve-2023-44766GitHubgithub.com/sromanhu/ConcreteCMS-Stored-XSS---SEORefwww.concretecms.org/about/project-news/security/security-advisory-2023-10-31-concrete-cms-rejects-cve-2023-44760-and-cve-2023-44766

How CyberStrike helps

Frequently asked questions

What is CVE-2023-44766?

CVE-2023-44766 is a medium-severity vulnerability. It was published on October 6, 2023 and has a CVSS 3.1 base score of 4.8 (MEDIUM).

How severe is CVE-2023-44766?

This vulnerability has a CVSS 3.1 base score of 4.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-44766?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-44766?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-44766 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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