CVE-2023-42628 : Security Advisory and Response

A stored cross-site scripting (XSS) vulnerability in the Wiki widget of Liferay Portal and Liferay DXP versions allows remote attackers to inject malicious scripts into wiki pages.

Understanding CVE-2023-42628

This CVE involves a critical XSS vulnerability affecting multiple versions of Liferay Portal and Liferay DXP.

What is CVE-2023-42628?

The vulnerability enables attackers to insert harmful web scripts or HTML into the content of wiki pages, posing a significant security risk to affected systems.

The Impact of CVE-2023-42628

With a base severity rating of CRITICAL and a CVSS base score of 9.0, this vulnerability can lead to unauthorized data access, modification, and service disruption.

Technical Details of CVE-2023-42628

This section provides more insights into the vulnerability, affected systems, and exploitation mechanisms.

Vulnerability Description

The stored XSS vulnerability in the Wiki widget of Liferay Portal versions 7.1.0 through 7.4.3.87 and Liferay DXP versions 7.0 to 7.4 allows attackers to inject malicious scripts via crafted payloads.

Affected Systems and Versions

Liferay Portal 7.1.0 through 7.4.3.87
Liferay DXP 7.0 to 7.4

Exploitation Mechanism

Remote attackers inject arbitrary web scripts or HTML into parent wiki pages through the 'Content' text field, exploiting the vulnerability.

Mitigation and Prevention

To address CVE-2023-42628, immediate and long-term security measures are crucial to safeguard systems and data.

Immediate Steps to Take

Apply patches provided by Liferay for affected versions.
Regularly monitor and review wiki content for suspicious payloads.
Educate users on safe content creation practices to prevent XSS attacks.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Implement Content Security Policy (CSP) to mitigate XSS risks.

Patching and Updates

Keep systems up to date with the latest Liferay patches and updates to address security vulnerabilities effectively.