CVE-2017-1000425 : What You Need to Know

A security flaw related to cross-site scripting (XSS) has been identified in Liferay Portal CE 7.0 GA4 and previous versions, allowing remote attackers to insert arbitrary web scripts or HTML.

Understanding CVE-2017-1000425

What is CVE-2017-1000425?

Cross-site scripting (XSS) vulnerability in the /html/portal/flash.jsp page in Liferay Portal CE 7.0 GA4 and older enables remote attackers to inject arbitrary web script or HTML via a javascript: URI in the "movie" parameter.

The Impact of CVE-2017-1000425

This vulnerability poses a risk of unauthorized script execution and potential data theft on affected systems.

Technical Details of CVE-2017-1000425

Vulnerability Description

The flaw allows attackers to exploit the /html/portal/flash.jsp page to inject malicious scripts or HTML code using a javascript: URI in the "movie" parameter.

Affected Systems and Versions

Liferay Portal CE 7.0 GA4 and earlier versions

Exploitation Mechanism

Attackers can leverage the vulnerability by inserting malicious web scripts or HTML through the "movie" parameter in the /html/portal/flash.jsp page.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Liferay to address the XSS vulnerability.
Monitor and restrict access to the vulnerable page to prevent unauthorized exploitation.

Long-Term Security Practices

Regularly update and patch software to mitigate known vulnerabilities.
Implement input validation mechanisms to sanitize user inputs and prevent XSS attacks.

Patching and Updates

Stay informed about security updates from Liferay and promptly apply patches to secure the portal against potential exploits.