CVE-2019-7945 : What You Need to Know

Magento versions prior to 1.9.4.2, 1.14.4.2, 2.1.18, 2.2.9, and 2.3.2 are vulnerable to a stored cross-site scripting issue that allows authenticated users to inject malicious JavaScript.

Understanding CVE-2019-7945

What is CVE-2019-7945?

This CVE identifies a vulnerability in various Magento versions that enables authenticated users to insert harmful JavaScript code by modifying currency symbols.

The Impact of CVE-2019-7945

The vulnerability poses a risk of cross-site scripting attacks, potentially leading to unauthorized access, data theft, and other malicious activities.

Technical Details of CVE-2019-7945

Vulnerability Description

A stored cross-site scripting flaw in Magento versions prior to 1.9.4.2, 1.14.4.2, 2.1.18, 2.2.9, and 2.3.2 allows users with currency symbol modification privileges to execute malicious scripts.

Affected Systems and Versions

Magento Open Source before 1.9.4.2
Magento Commerce before 1.14.4.2
Magento 2.1 before 2.1.18
Magento 2.2 before 2.2.9
Magento 2.3 before 2.3.2

Exploitation Mechanism

The vulnerability can be exploited by authenticated users who have the ability to change currency symbols, enabling them to inject harmful JavaScript code.

Mitigation and Prevention

Immediate Steps to Take

Apply the security patch provided by Magento for the affected versions.
Regularly monitor and audit user privileges to prevent unauthorized modifications.
Educate users on safe coding practices to mitigate the risk of XSS vulnerabilities.

Long-Term Security Practices

Implement a robust web application firewall to filter and block malicious traffic.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Stay informed about security updates and best practices in web application security.

Patching and Updates

Ensure timely installation of security patches released by Magento to address the CVE-2019-7945 vulnerability.