CVE-2023-33939 : Exploit Details and Defense Strategies
Learn about CVE-2023-33939, a Cross-site Scripting (XSS) vulnerability in Liferay Portal and DXP versions, its impact, technical details, and mitigation steps to secure your systems.
A detailed overview of CVE-2023-33939 highlighting the vulnerability, impact, technical details, and mitigation steps.
Understanding CVE-2023-33939
CVE-2023-33939 is a Cross-site Scripting (XSS) vulnerability affecting Liferay Portal versions 7.1.0 through 7.4.3.12 and Liferay DXP versions 7.1 through 7.4.
What is CVE-2023-33939?
CVE-2023-33939 is a security vulnerability that allows remote attackers to inject arbitrary web scripts or HTML by exploiting the Modified Facet widget in impacted Liferay Portal and DXP versions.
The Impact of CVE-2023-33939
The XSS vulnerability in Liferay Portal and DXP versions could result in unauthorized access, data theft, or manipulation by malicious actors injecting malicious scripts through crafted payloads.
Technical Details of CVE-2023-33939
The vulnerability lies in the Modified Facet widget in Liferay Portal versions 7.1.0 through 7.4.3.12 and Liferay DXP versions 7.1 through 7.4. Attackers can inject malicious scripts via crafted payloads in facet labels.
Vulnerability Description
The XSS flaw allows remote attackers to inject arbitrary web script or HTML, posing a risk of unauthorized access or data alteration.
Affected Systems and Versions
- Liferay Portal 7.1.0 through 7.4.3.12
- Liferay DXP 7.1 before fix pack 27, 7.2 before fix pack 18, 7.3 before update 4, and 7.4 before update 9
Exploitation Mechanism
Attackers can exploit the vulnerability by inserting crafted payloads into facet labels, allowing them to inject malicious web scripts or HTML.
Mitigation and Prevention
Protect your systems from CVE-2023-33939 by taking immediate action and following long-term security practices.
Immediate Steps to Take
- Apply relevant security patches provided by Liferay for impacted versions.
- Implement input validation mechanisms to sanitize user inputs and prevent XSS attacks.
Long-Term Security Practices
- Regularly update and patch Liferay Portal and DXP installations to mitigate known vulnerabilities.
- Educate users and developers on secure coding practices to prevent XSS and other security threats.
Patching and Updates
Stay informed about security updates from Liferay and apply patches promptly to safeguard your systems from potential exploits.