CVE-2017-12649 : Exploit Details and Defense Strategies

A security vulnerability known as XSS has been identified in Liferay Portal versions prior to 7.0 CE GA4. This vulnerability can be exploited by injecting a specially crafted title or summary into the Web Content Display feature, which is not properly handled by the application.

Understanding CVE-2017-12649

XSS exists in Liferay Portal before 7.0 CE GA4 via a crafted title or summary that is mishandled in the Web Content Display.

What is CVE-2017-12649?

Cross-Site Scripting (XSS) vulnerability in Liferay Portal versions before 7.0 CE GA4 allows attackers to inject malicious scripts into web pages viewed by other users.

The Impact of CVE-2017-12649

Attackers can execute malicious scripts in the context of a user's browser, potentially leading to unauthorized actions or data theft.
Exploitation of this vulnerability can result in compromised user data and system integrity.

Technical Details of CVE-2017-12649

XSS vulnerability in Liferay Portal versions before 7.0 CE GA4.

Vulnerability Description

Type: Cross-Site Scripting (XSS)
Attack Vector: Remote
Complexity: Low
Privileges Required: None

Affected Systems and Versions

Liferay Portal versions prior to 7.0 CE GA4

Exploitation Mechanism

Injection of malicious scripts through specially crafted titles or summaries in the Web Content Display feature.

Mitigation and Prevention

Immediate Steps to Take:

Update Liferay Portal to version 7.0 CE GA4 or later.
Implement input validation to sanitize user inputs and prevent script injection.

Long-Term Security Practices:

Regular security assessments and code reviews to identify and address vulnerabilities.
Educate users and administrators about safe browsing practices and potential risks.

Patching and Updates:

Stay informed about security updates and patches released by Liferay Portal.