CVE-2022-42111 Explained : Impact and Mitigation
Learn about CVE-2022-42111, a Cross-site scripting (XSS) vulnerability in Liferay Portal 7.2.1 through 7.4.2 and Liferay DXP 7.2 before fix pack 19, 7.3 before update 4.
A Cross-site scripting (XSS) vulnerability in the Sharing module's user notification in Liferay Portal 7.2.1 through 7.4.2, and Liferay DXP 7.2 before fix pack 19, and 7.3 before update 4 allows remote attackers to inject arbitrary web script or HTML by sharing an asset with a crafted payload.
Understanding CVE-2022-42111
This section will provide a detailed overview of the CVE-2022-42111 vulnerability.
What is CVE-2022-42111?
CVE-2022-42111 is a Cross-site scripting (XSS) vulnerability found in the user notification of the Sharing module in Liferay Portal versions 7.2.1 through 7.4.2, Liferay DXP 7.2 before fix pack 19, and 7.3 before update 4. It allows attackers to inject malicious scripts or HTML into the application.
The Impact of CVE-2022-42111
The vulnerability enables remote attackers to execute arbitrary web scripts or HTML by sharing an asset with a tailored payload. This could lead to various security risks and compromise user data.
Technical Details of CVE-2022-42111
In this section, we delve into the technical aspects of CVE-2022-42111.
Vulnerability Description
The XSS vulnerability allows attackers to manipulate user notifications in Liferay Portal and Liferay DXP, paving the way for unauthorized script execution.
Affected Systems and Versions
Liferay Portal versions 7.2.1 through 7.4.2, Liferay DXP 7.2 before fix pack 19, and 7.3 before update 4 are impacted by this vulnerability.
Exploitation Mechanism
Remote attackers can exploit this vulnerability by sharing an asset containing a specially crafted payload to inject malicious scripts or HTML.
Mitigation and Prevention
This section covers steps to mitigate and prevent exploitation of CVE-2022-42111.
Immediate Steps to Take
Users and administrators should apply security patches provided by Liferay for the affected versions immediately. Additionally, implementing content security policies can help mitigate XSS attacks.
Long-Term Security Practices
Regular security audits, user awareness training, and strict input validation practices can enhance long-term security against XSS vulnerabilities.
Patching and Updates
Stay informed about security updates and promptly apply patches released by Liferay to address CVE-2022-42111.