CVE-2019-7881 Explained : Impact and Mitigation

Magento 2 versions 2.1 before 2.1.18, 2.2 before 2.2.9, and 2.3 before 2.3.2 are vulnerable to a privilege escalation via cross-site scripting (XSS) attack.

Understanding CVE-2019-7881

A vulnerability in Magento 2 versions prior to specific updates allows authenticated users to escalate privileges through a cross-site scripting attack.

What is CVE-2019-7881?

The vulnerability in Magento 2 versions before 2.1.18, 2.2.9, and 2.3.2 enables an authenticated user to perform a privilege escalation via a cross-site scripting attack.

The Impact of CVE-2019-7881

An attacker could exploit this vulnerability to escalate their privileges within the system, potentially leading to unauthorized actions or data access.

Technical Details of CVE-2019-7881

A detailed look at the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability allows an authenticated user to execute a cross-site scripting attack, specifically an admin vs. admin XSS attack, leading to privilege escalation.

Affected Systems and Versions

Magento 2 versions 2.1 before 2.1.18, 2.2 before 2.2.9, and 2.3 before 2.3.2 are impacted by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited by an authenticated user to escalate privileges through a cross-site scripting attack.

Mitigation and Prevention

Steps to mitigate and prevent the exploitation of CVE-2019-7881.

Immediate Steps to Take

Update Magento 2 to versions 2.1.18, 2.2.9, or 2.3.2 to patch the vulnerability.
Monitor system logs for any suspicious activities indicating a potential privilege escalation attempt.

Long-Term Security Practices

Regularly update and patch Magento 2 to ensure the latest security fixes are in place.
Educate users on safe browsing practices and the risks associated with cross-site scripting attacks.

Patching and Updates

Apply the security updates provided by Magento to address the vulnerability and prevent privilege escalation.