CVE-2019-7882 : Vulnerability Insights and Analysis

A security flaw has been identified in previous versions of Magento Open Source and Magento Commerce, as well as Magento 2.x, allowing an authorized user to insert harmful SWF files through the WYSIWYG editor.

Understanding CVE-2019-7882

What is CVE-2019-7882?

A stored cross-site scripting vulnerability exists in the WYSIWYG editor of Magento Open Source, Magento Commerce, and Magento 2.x versions. This flaw enables an authenticated user with editor privileges to inject malicious SWF files.

The Impact of CVE-2019-7882

This vulnerability, classified as Cross-Site Scripting, poses a risk of unauthorized script execution and potential data theft or manipulation.

Technical Details of CVE-2019-7882

Vulnerability Description

The flaw allows an authorized user to insert harmful SWF files through the WYSIWYG editor, leading to potential security breaches.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by an authenticated user with access to the editor, enabling the insertion of malicious SWF files.

Mitigation and Prevention

Immediate Steps to Take

Apply the security patch provided by Magento for the affected versions.
Restrict access to the WYSIWYG editor to authorized and trusted users only.

Long-Term Security Practices

Regularly monitor and update Magento installations to ensure the latest security patches are applied.
Educate users on safe content practices to prevent the insertion of malicious files.

Patching and Updates

Ensure timely installation of security updates and patches released by Magento to address known vulnerabilities.