CVE-2022-42118 : Security Advisory and Response

A Cross-site scripting (XSS) vulnerability in the Portal Search module in Liferay Portal 7.1.0 through 7.4.2, and Liferay DXP 7.1 before fix pack 27, 7.2 before fix pack 15, and 7.3 before service pack 3 allows remote attackers to inject arbitrary web script or HTML via the

tag

parameter.

Understanding CVE-2022-42118

This section provides insights into the nature of the vulnerability and its impact.

What is CVE-2022-42118?

CVE-2022-42118 is a Cross-site scripting (XSS) vulnerability affecting Liferay Portal and Liferay DXP versions specified.

The Impact of CVE-2022-42118

The vulnerability can be exploited by remote attackers to inject malicious scripts or HTML code through the

tag

parameter, potentially leading to unauthorized access or data theft.

Technical Details of CVE-2022-42118

Delve deeper into the specifics of the vulnerability.

Vulnerability Description

The XSS vulnerability in the Portal Search module allows attackers to execute arbitrary scripts on vulnerable systems.

Affected Systems and Versions

Liferay Portal versions 7.1.0 through 7.4.2, Liferay DXP 7.1 (before fix pack 27), 7.2 (before fix pack 15), and 7.3 (before service pack 3) are impacted.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by injecting malicious web script or HTML code via the vulnerable

tag

parameter.

Mitigation and Prevention

Explore the steps to mitigate the risks associated with CVE-2022-42118.

Immediate Steps to Take

Users should update to the latest patched versions provided by Liferay to eliminate the vulnerability. Additionally, input validation mechanisms should be implemented to prevent XSS attacks.

Long-Term Security Practices

Regular security audits, user awareness training, and monitoring for suspicious activities can enhance the overall security posture to prevent such vulnerabilities in the future.

Patching and Updates

Stay informed about security updates released by Liferay and promptly apply patches to safeguard systems against known vulnerabilities.