CVE-2019-8148 : Security Advisory and Response

Magento 2 prior to versions 2.3.3 or 2.3.2-p1 is vulnerable to a stored cross-site scripting (XSS) issue that allows authenticated admin users to inject arbitrary JavaScript code.

Understanding CVE-2019-8148

What is CVE-2019-8148?

A stored cross-site scripting vulnerability in Magento 2.3 prior to 2.3.3 or 2.3.2-p1 enables authenticated admin users to insert malicious JavaScript code while creating a content page using the page builder.

The Impact of CVE-2019-8148

This vulnerability could lead to unauthorized access, data theft, and potential compromise of the Magento 2 system.

Technical Details of CVE-2019-8148

Vulnerability Description

The flaw in Magento 2 allows authenticated admin users to execute arbitrary JavaScript code through the page builder when creating a content page.

Affected Systems and Versions

Product: Magento 2
Vendor: Adobe Systems Incorporated
Vulnerable Versions: Magento 2.3 prior to 2.3.3 or 2.3.2-p1

Exploitation Mechanism

The vulnerability is exploited by an authenticated admin user injecting malicious JavaScript code while utilizing the page builder to create a content page.

Mitigation and Prevention

Immediate Steps to Take

Upgrade Magento 2 to version 2.3.3 or 2.3.2-p1 to eliminate the vulnerability.
Regularly monitor and review admin user activities to detect any unauthorized changes.

Long-Term Security Practices

Educate admin users on secure coding practices and the risks of XSS vulnerabilities.
Implement a web application firewall (WAF) to filter and block malicious traffic.

Patching and Updates

Apply security patches promptly to ensure the Magento 2 platform is protected from known vulnerabilities.