CVE-2020-7947 : Vulnerability Insights and Analysis

An issue was discovered in the Login by Auth0 plugin before 4.0.0 for WordPress. The lack of data sanitization and input validation in various fields can lead to CSV injection when uploading a crafted Excel document.

Understanding CVE-2020-7947

What is CVE-2020-7947?

CVE-2020-7947 is a vulnerability found in the Login by Auth0 plugin for WordPress, allowing CSV injection due to unsanitized data and lack of input validation.

The Impact of CVE-2020-7947

The vulnerability can result in CSV injection, potentially leading to unauthorized access or data manipulation.

Technical Details of CVE-2020-7947

Vulnerability Description

The issue arises from the plugin's failure to sanitize data and perform input validation before exporting user data, making it susceptible to CSV injection.

Affected Systems and Versions

Product: Login by Auth0 plugin
Vendor: Auth0
Versions affected: Before 4.0.0

Exploitation Mechanism

The vulnerability can be exploited by uploading a specially crafted Excel document containing malicious data.

Mitigation and Prevention

Immediate Steps to Take

Update the Login by Auth0 plugin to version 4.0.0 or newer.
Avoid uploading Excel documents from untrusted sources.

Long-Term Security Practices

Implement input validation and data sanitization in all user input fields.
Regularly monitor and update plugins to address security vulnerabilities.

Patching and Updates

Apply patches and updates provided by Auth0 to ensure the plugin's security is up to date.