Critical Malicious Code Vulnerability in feathur Package
Summary
MAL-2025-20345: Malicious code in feathur (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The feathur package is an npm library designed for facilitating various functionalities in JavaScript applications. It is commonly used for its ease of integration and robust features. However, recent findings have revealed that this package contains malicious code, posing significant security risks to applications that utilize it.
Vulnerability Detail
The vulnerability in the feathur package stems from the inclusion of malicious code that can compromise the security of applications using this library. This code can lead to unauthorized access, data breaches, and other malicious activities. The issue was introduced in version 0 and affects all subsequent versions, making it critical for developers to take immediate action to mitigate risks.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall feathur
If 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 remove the feathur package from your project until a secure version is released. This can be done using the command: 'npm uninstall feathur'. Alternatively, consider using a different package that offers similar functionality without the associated risks.
Conclusion
The feathur package has been identified as containing malicious code, posing a serious threat to applications that utilize it. Developers are urged to update or remove the package to safeguard their applications. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.
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FAQ
The feathur package is an npm library used in JavaScript applications for various functionalities, but it has been found to contain malicious code.
The malicious code can lead to unauthorized access, data breaches, and other security vulnerabilities in applications that use the feathur package.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without requiring any signup.
If an immediate update is not possible, consider removing the feathur package from your project as a temporary measure until a secure version is available.
Detailed information about this vulnerability can be found on the GitHub repository of the malicious packages project, specifically at https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/feathur/MAL-2025-20345.json.