Malicious Code Detected in express-ya-frameguard Package
Summary
MAL-2025-20091: Malicious code in express-ya-frameguard (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The express-ya-frameguard package is an npm module designed to enhance web application security by providing frameguard middleware for Express.js applications. It helps prevent clickjacking attacks by setting the appropriate HTTP headers. However, this package has been found to contain malicious code, posing a significant risk to applications that utilize it.
Vulnerability Detail
The vulnerability stems from the presence of malicious code within the express-ya-frameguard package. This code can potentially compromise the security of applications that depend on this package, leading to unauthorized access, data breaches, or other malicious activities. The issue was introduced in version 0 and affects all subsequent versions.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall express-ya-frameguardIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, you can replace express-ya-frameguard with an alternative package that provides similar functionality without the security risks. Consider using other well-maintained security middleware for Express.js applications.
Conclusion
The express-ya-frameguard package has been identified as containing malicious code, posing a serious threat to applications that utilize it. Users are advised to remove the package and monitor for updates or patches. Utilizing tools like Vulert can help in identifying vulnerabilities in your application.
See every vulnerability recorded for express-ya-frameguard →
FAQ
It is an npm module that provides middleware for Express.js applications to prevent clickjacking attacks by setting HTTP headers.
The malicious code was introduced in version 0 of the express-ya-frameguard package and affects all subsequent versions.
Using this package can lead to unauthorized access, data breaches, and other malicious activities due to the embedded malicious code.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Check your application using the Vulert playground at Vulert Scanner without any signup.
Immediately remove the express-ya-frameguard package from your project and consider using an alternative package for security purposes.
