CVE-2022-42117 : Vulnerability Insights and Analysis

A Cross-site scripting (XSS) vulnerability in the Frontend Taglib module in Liferay Portal 7.3.2 through 7.4.3.16, and Liferay DXP 7.3 before update 6, and 7.4 before update 17 allows remote attackers to inject arbitrary web script or HTML.

Understanding CVE-2022-42117

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2022-42117.

What is CVE-2022-42117?

CVE-2022-42117 is a Cross-site scripting (XSS) vulnerability present in Liferay Portal versions 7.3.2 through 7.4.3.16 and Liferay DXP versions 7.3 and 7.4 before specific updates. It enables malicious actors to execute arbitrary code on affected systems.

The Impact of CVE-2022-42117

The vulnerability allows remote attackers to inject malicious web scripts or HTML code into the affected Liferay Portal and DXP instances. This could lead to unauthorized access, data theft, and potential system compromise.

Technical Details of CVE-2022-42117

In this section, we delve into the specifics of the vulnerability, including its description, affected systems, and exploitation mechanism.

Vulnerability Description

The XSS flaw in the Frontend Taglib module of Liferay Portal and DXP versions mentioned permits attackers to input and execute malicious scripts, posing a significant security risk to organizations utilizing these platforms.

Affected Systems and Versions

Liferay Portal versions from 7.3.2 to 7.4.3.16 and Liferay DXP versions 7.3 and 7.4 before particular updates are vulnerable to CVE-2022-42117.

Exploitation Mechanism

By exploiting this vulnerability, threat actors can inject harmful scripts or HTML content into web pages rendered by the affected Liferay Portal and DXP instances, potentially compromising the integrity of the applications and exposing sensitive data.

Mitigation and Prevention

This section outlines the immediate steps to take and long-term security practices to safeguard systems from CVE-2022-42117.

Immediate Steps to Take

Update Liferay Portal and DXP to the latest patched versions that address the XSS vulnerability.
Employ web application firewalls and security plugins to filter and sanitize user inputs and prevent XSS attacks.

Long-Term Security Practices

Conduct regular security audits and vulnerability assessments of web applications to detect and mitigate security gaps proactively.
Educate developers and system administrators about secure coding practices and the risks associated with XSS vulnerabilities.

Patching and Updates

Stay informed about security advisories from Liferay and apply patches and updates promptly to prevent exploitation of known vulnerabilities.