CVE-2023-33943 : Security Advisory and Response
Learn about CVE-2023-33943, a cross-site scripting (XSS) vulnerability in Liferay Portal 7.4.3.21 to 7.4.3.62 and Liferay DXP 7.4 update 21 to 62 allowing remote attackers to inject malicious web scripts or HTML.
Cross-site scripting vulnerability in Liferay Portal 7.4.3.21 through 7.4.3.62 and Liferay DXP 7.4 update 21 through 62 allows remote attackers to inject arbitrary web script or HTML via crafted payloads in specific text fields.
Understanding CVE-2023-33943
This CVE involves a cross-site scripting vulnerability impacting Liferay Portal and Liferay DXP versions, enabling attackers to inject malicious scripts or HTML code through designated text fields.
What is CVE-2023-33943?
CVE-2023-33943 is a cross-site scripting (XSS) vulnerability found in Liferay Portal versions 7.4.3.21 to 7.4.3.62 and Liferay DXP 7.4 update 21 to 62. It allows attackers to insert harmful web scripts or HTML into specific text fields like First Name, Middle Name, Last Name, or Job Title.
The Impact of CVE-2023-33943
The vulnerability can be exploited remotely, potentially leading to unauthorized data access, manipulation, or the launch of further attacks by injecting malicious code or scripts into user input fields.
Technical Details of CVE-2023-33943
This section covers a detailed breakdown of the vulnerability.
Vulnerability Description
The XSS flaw in Liferay Portal and DXP versions lets attackers execute arbitrary scripts or HTML by inserting malicious payloads into user input fields.
Affected Systems and Versions
Liferay Portal 7.4.3.21 to 7.4.3.62 and Liferay DXP 7.4 update 21 to 62 are affected by this XSS vulnerability.
Exploitation Mechanism
Attackers exploit this vulnerability by injecting crafted payloads into specific text fields to execute malicious scripts or HTML.
Mitigation and Prevention
Protecting systems from CVE-2023-33943 involves immediate actions and long-term security practices.
Immediate Steps to Take
Update Liferay Portal and DXP to the latest versions, apply patches, and sanitize user inputs to prevent XSS attacks.
Long-Term Security Practices
Implement secure coding practices, conduct regular security audits, and educate users on safe data handling to mitigate future XSS risks.
Patching and Updates
Stay informed about security updates from Liferay, apply patches promptly, and monitor for any unusual activities that could indicate a compromise.