CVE-2019-8157 : Vulnerability Insights and Analysis

Magento 2 versions 2.2 prior to 2.2.10 and 2.3 prior to 2.3.3 or 2.3.2-p1 are affected by a stored cross-site scripting (XSS) vulnerability that allows authenticated users to manipulate downloadable links, leading to unsanitized user input exposure.

Understanding CVE-2019-8157

This CVE involves a security vulnerability in Magento 2 that enables stored XSS attacks.

What is CVE-2019-8157?

A stored cross-site scripting (XSS) vulnerability in Magento versions 2.2 before 2.2.10 and 2.3 before 2.3.3 or 2.3.2-p1 allows authenticated users to exploit downloadable links, triggering error handling that exposes unsanitized user input.

The Impact of CVE-2019-8157

This vulnerability could be exploited by attackers with proper authentication to manipulate links, potentially leading to unauthorized access or data manipulation.

Technical Details of CVE-2019-8157

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Magento 2 allows authenticated users to perform stored cross-site scripting attacks by manipulating downloadable links, resulting in unsanitized user input exposure.

Affected Systems and Versions

Product: Magento 2
Vendor: Adobe Systems Incorporated
Affected Versions:
Magento 2.2 prior to 2.2.10
Magento 2.3 prior to 2.3.3 or 2.3.2-p1

Exploitation Mechanism

The vulnerability can be exploited by authenticated users manipulating downloadable links to trigger error handling processes that access user input without proper sanitization.

Mitigation and Prevention

Protecting systems from CVE-2019-8157 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply the security patches provided by Magento for versions 2.2.10 and 2.3.3 to mitigate the vulnerability.
Regularly monitor and audit user input and downloadable links for suspicious activities.

Long-Term Security Practices

Implement input validation and output encoding to prevent XSS attacks.
Educate users on safe browsing practices and the risks associated with manipulating links.

Patching and Updates

Ensure all Magento installations are updated to versions 2.2.10 and 2.3.3 to address the vulnerability.