CVE-2022-42110 : What You Need to Know

A Cross-site scripting (XSS) vulnerability in the Announcements 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 17, and 7.3 before service pack 3 allows remote attackers to inject arbitrary web script or HTML.

Understanding CVE-2022-42110

This section provides insights into the impact and technical details of CVE-2022-42110.

What is CVE-2022-42110?

CVE-2022-42110 is a Cross-site scripting (XSS) vulnerability found in the Announcements module of Liferay Portal versions 7.1.0 to 7.4.2, as well as Liferay DXP versions 7.1, 7.2, and 7.3. This vulnerability enables malicious actors to insert arbitrary web script or HTML into affected systems.

The Impact of CVE-2022-42110

The impact of this vulnerability is significant as it allows remote attackers to execute malicious scripts on targeted web applications. By injecting unauthorized code, attackers can potentially steal sensitive information or perform other malicious actions.

Technical Details of CVE-2022-42110

In this section, we delve into the specific technical aspects of CVE-2022-42110.

Vulnerability Description

The vulnerability arises due to inadequate input validation in the Announcements module, which allows attackers to craft and inject malicious scripts or HTML code through user inputs.

Affected Systems and Versions

Liferay Portal versions 7.1.0 through 7.4.2, and Liferay DXP versions 7.1 (before fix pack 27), 7.2 (before fix pack 17), and 7.3 (before service pack 3) are affected by this vulnerability.

Exploitation Mechanism

Remote attackers exploit this vulnerability by injecting malicious web script or HTML code through the Announcements module, taking advantage of the lack of proper input sanitization.

Mitigation and Prevention

To safeguard systems from CVE-2022-42110, immediate actions and long-term security practices are recommended.

Immediate Steps to Take

In the short-term, users are advised to apply patches and security updates provided by Liferay to address the XSS vulnerability. Additionally, implementing content security policies (CSP) can help mitigate the risk of XSS attacks.

Long-Term Security Practices

In the long term, organizations should prioritize secure coding practices, conduct regular security assessments, and educate users on the risks associated with XSS vulnerabilities.

Patching and Updates

Regularly updating Liferay Portal and DXP to the latest versions that include fixes for CVE-2022-42110 is crucial to ensure ongoing protection against potential XSS exploits.