CVE-2023-33938 : Security Advisory and Response

A detailed overview of CVE-2023-33938 highlighting the vulnerability, impact, technical details, and mitigation steps.

Understanding CVE-2023-33938

This section delves into the specifics of the CVE-2023-33938 vulnerability in Liferay Portal and DXP.

What is CVE-2023-33938?

The CVE-2023-33938 involves a cross-site scripting (XSS) vulnerability found in the App Builder module's custom object details page in Liferay Portal versions 7.3.0 through 7.4.0, and Liferay DXP 7.3 before update 14. This vulnerability enables remote attackers to inject arbitrary web script or HTML through a crafted payload in an App Builder custom object's

Name

field.

The Impact of CVE-2023-33938

The vulnerability's base score of 4.8 (Medium severity) signifies its potential impact. Exploitation can lead to the unauthorized injection of malicious scripts or HTML code, posing a risk to data integrity and confidentiality.

Technical Details of CVE-2023-33938

Explore the specifics of the CVE-2023-33938 vulnerability in this section.

Vulnerability Description

The vulnerability arises due to improper neutralization of input, allowing attackers to execute XSS attacks by injecting malicious code into the affected fields.

Affected Systems and Versions

Liferay Portal versions 7.3.0 through 7.4.0, and Liferay DXP 7.3 before update 14 are affected by this XSS vulnerability.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by injecting specially crafted payloads into the

Name

field of an App Builder custom object, enabling the execution of malicious scripts.

Mitigation and Prevention

Discover the essential steps to mitigate and prevent exploits related to CVE-2023-33938.

Immediate Steps to Take

Organizations using the affected versions should apply updates and patches promptly to address the vulnerability and prevent potential attacks.

Long-Term Security Practices

Implement robust input validation mechanisms and security controls to mitigate the risk of XSS vulnerabilities in web applications.

Patching and Updates

Regularly monitor security advisories from Liferay and apply updates as soon as they are released to stay protected.