CVE-2022-30119 : Exploit Details and Defense Strategies

A Cross-site Scripting (XSS) vulnerability was discovered in Concrete CMS versions 8.5.7 and below as well as versions 9.0 through 9.0.2, affecting users of old browsers like Internet Explorer. This CVE, with a CVSS v3.1 base score of 2, poses a moderate threat due to insufficient input sanitation.

Understanding CVE-2022-30119

This section provides detailed insights into the nature and impact of the XSS vulnerability found in Concrete CMS.

What is CVE-2022-30119?

The CVE-2022-30119 vulnerability involves XSS exploitation in /dashboard/reports/logs/view, specifically targetting users of outdated browsers, such as Internet Explorer, where proper sanitation is lacking.

The Impact of CVE-2022-30119

The vulnerability in Concrete CMS versions 8.5.7 and below, as well as versions 9.0 through 9.0.2, allows malicious actors to execute XSS attacks, accessing sensitive data and compromising user security.

Technical Details of CVE-2022-30119

In this section, we delve into the specifics of the vulnerability, detailing affected systems, exploitation mechanisms, and mitigation strategies.

Vulnerability Description

The XSS vulnerability arises due to insufficient sanitization of built URLs in /dashboard/reports/logs/view, posing a risk to users accessing Concrete CMS with Internet Explorer or similar outdated browsers.

Affected Systems and Versions

Concrete CMS versions 8.5.7 and below, along with versions 9.0 through 9.0.2, are confirmed to be vulnerable to this XSS exploit, requiring immediate attention and remediation.

Exploitation Mechanism

Exploitation of CVE-2022-30119 occurs when users access specific URLs in /dashboard/reports/logs/view using Internet Explorer or similar browsers with disabled XSS protection, allowing threat actors to inject malicious scripts.

Mitigation and Prevention

This section outlines the crucial steps to mitigate the impact of CVE-2022-30119, ensuring enhanced security measures and protection against XSS attacks.

Immediate Steps to Take

Users are advised to update their Concrete CMS installations to version 8.5.8 or 9.1.0, which contain remediations for this XSS vulnerability. Additionally, enabling XSS protection mechanisms in modern web browsers is recommended to prevent such exploits.

Long-Term Security Practices

To enhance long-term security, users should prioritize regular software updates, security patches, and user awareness training to mitigate the risks associated with XSS vulnerabilities.

Patching and Updates

Regularly checking for security updates from Concrete CMS and promptly applying patches are essential steps in strengthening the overall security posture and resilience against emerging threats.