CVE-2019-8153 : Security Advisory and Response

Magento 2 versions prior to 2.2.10 and 2.3.3 or 2.3.2-p1 are vulnerable to a cross-site scripting (XSS) bypass. Attackers can exploit this to run harmful XSS payloads.

Understanding CVE-2019-8153

This CVE highlights a security vulnerability in Magento 2 that allows for a bypass of the

escapeURL()

function, enabling the execution of malicious XSS payloads.

What is CVE-2019-8153?

CVE-2019-8153 is a security bypass vulnerability in Magento 2 versions before 2.2.10 and 2.3.3 or 2.3.2-p1, which can be exploited by attackers to execute harmful XSS payloads.

The Impact of CVE-2019-8153

If successfully exploited, this vulnerability can lead to the execution of malicious scripts, potentially compromising the security and integrity of the affected Magento installations.

Technical Details of CVE-2019-8153

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows attackers to bypass the

escapeURL()

function in Magento 2, enabling the execution of harmful XSS payloads.

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

Attackers can exploit this vulnerability to bypass the

escapeURL()

function and inject and execute malicious XSS payloads.

Mitigation and Prevention

Protecting systems from CVE-2019-8153 is crucial to maintaining security.

Immediate Steps to Take

Update Magento 2 to versions 2.2.10 or 2.3.3/2.3.2-p1 to patch the vulnerability.
Implement web application firewalls to filter and block malicious payloads.

Long-Term Security Practices

Regularly monitor and audit web applications for vulnerabilities.
Educate developers and administrators on secure coding practices to prevent XSS attacks.

Patching and Updates

Apply security patches provided by Magento to address the vulnerability.