CVE-2023-44309 : Exploit Details and Defense Strategies

A detailed overview of CVE-2023-44309 focusing on the impact, technical details, and mitigation strategies.

Understanding CVE-2023-44309

CVE-2023-44309 is a critical vulnerability found in Liferay Portal and Liferay DXP versions that could allow remote attackers to execute malicious scripts through crafted payloads.

What is CVE-2023-44309?

Multiple stored cross-site scripting (XSS) vulnerabilities exist in the fragment components of Liferay Portal 7.4.2 through 7.4.3.53 and earlier versions of Liferay DXP. Attackers can inject arbitrary web script or HTML via specially crafted payloads.

The Impact of CVE-2023-44309

With a base severity rating of CRITICAL and a CVSS v3.1 base score of 9, this vulnerability can lead to high impacts on confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2023-44309

Explore the specifics of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability allows remote attackers to insert malicious scripts or HTML code into non-HTML fields of linked source assets through the fragment components in Liferay Portal and DXP.

Affected Systems and Versions

Liferay Portal versions 7.4.2 through 7.4.3.53 and Liferay DXP 7.4 before update 54 are impacted by this XSS vulnerability.

Exploitation Mechanism

Remote attackers exploit this vulnerability by injecting a specially crafted payload into non-HTML fields, enabling them to execute arbitrary scripts on the target system.

Mitigation and Prevention

Learn how to address CVE-2023-44309 to secure your systems against potential attacks.

Immediate Steps to Take

Update affected Liferay Portal and DXP instances to the latest versions that include security patches.
Implement strict input validation to sanitize user input and prevent XSS attacks.

Long-Term Security Practices

Regularly monitor security advisories from Liferay and apply patches promptly.
Educate users and developers on secure coding practices and the risks associated with XSS vulnerabilities.

Patching and Updates

Ensure that all Liferay deployments are kept up-to-date with the latest security patches and follow best practices to mitigate the risk of XSS attacks.