Malicious Code Detected in @darwinex/react-custom-scrollbars Package
Summary
MAL-2025-190865: Malicious code in @darwinex/react-custom-scrollbars (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The @darwinex/react-custom-scrollbars package is a popular npm library designed to provide customizable scrollbars for React applications. It allows developers to enhance the user interface by styling scrollbars according to their application's design. However, this package has recently been flagged for containing malicious code, which poses a significant risk to applications that utilize it.
Vulnerability Detail
The vulnerability originates from the discovery of malicious code within the @darwinex/react-custom-scrollbars package. This code can potentially compromise the security of applications that depend on this library, leading to unauthorized access, data breaches, or other malicious activities. The specific nature of the malicious code has not been disclosed, but its presence indicates a severe risk to any application using this package.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @darwinex/react-custom-scrollbarsIf 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 @darwinex/react-custom-scrollbars package from your project. To do this, run the following command: npm uninstall @darwinex/react-custom-scrollbars. This will prevent any potential exploitation of the malicious code until a secure version is released.
Conclusion
The @darwinex/react-custom-scrollbars package has been flagged for containing malicious code, posing a serious risk to applications that utilize it. It is essential to update or remove the package to protect your application from potential exploitation. Utilizing tools like Vulert can help monitor and alert for such vulnerabilities in real-time.
See every vulnerability recorded for @darwinex/react-custom-scrollbars →
FAQ
The specific details of the malicious code have not been disclosed, but it poses a significant security risk to applications using the package.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Visit Vulert Scanner to check your application without needing to sign up.
Yes, you can temporarily remove the @darwinex/react-custom-scrollbars package from your project to mitigate the risk until a secure version is available.
If no patched version is available, consider replacing the package with a secure alternative that provides similar functionality.
The vulnerability was reported by Amazon Inspector, which identified the presence of malicious code in the package.
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