CVE-2021-29046 Explained : Impact and Mitigation
Discover the details of CVE-2021-29046, a Cross-Site Scripting vulnerability in Liferay Portal 7.3.5 and Liferay DXP 7.3. Learn about its impact, technical aspects, affected systems, exploitation, and mitigation steps.
A Cross-Site Scripting (XSS) vulnerability was discovered in the Asset module's category selector input field in Liferay Portal 7.3.5 and Liferay DXP 7.3. This vulnerability could allow remote attackers to inject arbitrary web scripts or HTML, potentially leading to malicious actions.
Understanding CVE-2021-29046
This section dives into the details of the XSS vulnerability affecting Liferay Portal and Liferay DXP.
What is CVE-2021-29046?
The vulnerability lies in the category selector input field of the Asset module, enabling attackers to inject malicious scripts or HTML through a specific parameter.
The Impact of CVE-2021-29046
Remote attackers can leverage this vulnerability to execute arbitrary scripts on the target system, compromising sensitive data or performing unauthorized actions.
Technical Details of CVE-2021-29046
Here are the technical specifics related to the CVE-2021-29046 vulnerability.
Vulnerability Description
The XSS vulnerability in Liferay Portal 7.3.5 and Liferay DXP 7.3 allows for the injection of arbitrary web scripts or HTML via a particular parameter in the category selector input field.
Affected Systems and Versions
Liferay Portal versions 7.3.5 and Liferay DXP 7.3 before fix pack 1 are impacted by this vulnerability.
Exploitation Mechanism
Remote attackers can exploit this vulnerability by injecting malicious scripts or HTML code through the vulnerable parameter, potentially leading to unauthorized access or data theft.
Mitigation and Prevention
To address CVE-2021-29046, it is crucial to take immediate steps to secure your systems and implement long-term security measures.
Immediate Steps to Take
- Apply the latest security patches released by Liferay to fix the vulnerability.
- Implement input validation mechanisms to sanitize user inputs and prevent XSS attacks.
Long-Term Security Practices
- Regularly update and patch your Liferay Portal and Liferay DXP installations to protect against known vulnerabilities.
- Educate users and administrators about secure coding practices and the risks associated with XSS attacks.
Patching and Updates
Stay informed about security advisories from Liferay and apply patches promptly to ensure that your systems are shielded from potential exploits.