Critical Malicious Code Vulnerability in @platform-ui-storybook/copy-button Package

Summary

30/07/2025
CRITICAL
No i
Critical
Not published

MAL-2025-6354: Malicious code in @platform-ui-storybook/copy-button (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The @platform-ui-storybook/copy-button package is part of the Platform UI Storybook ecosystem, designed to facilitate the copying of content in user interfaces. It is commonly used in web applications to enhance user experience by providing a simple copy functionality. However, this package has been identified to contain malicious code, posing significant security risks to any system where it is installed.

Vulnerability Detail

The vulnerability originates from the presence of embedded malicious code within the @platform-ui-storybook/copy-button package. This malicious code can compromise the entire system, allowing unauthorized access to sensitive information, including secrets and keys stored on the affected computer. The implications of this vulnerability are severe, as it can lead to complete system takeover by an external entity, making it crucial for users to act immediately.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall @platform-ui-storybook/copy-button

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

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Workaround

As a workaround, if you cannot immediately remove the package, consider isolating the affected environment and restricting access to sensitive data until the package can be safely removed.

Conclusion

The @platform-ui-storybook/copy-button package contains malicious code that poses a significant security risk. Immediate action is required to remove the package and secure any sensitive information. Users are encouraged to utilize tools like Vulert to monitor for vulnerabilities in their applications.

See every vulnerability recorded for @platform-ui-storybook/copy-button →

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FAQ

Immediately remove the package from your project and rotate any secrets or keys stored on the affected computer.

You can use Vulert, which monitors open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.

Keeping the package installed can lead to unauthorized access to your system, potentially compromising sensitive data and allowing external entities to control your computer.

Yes, you can isolate the affected environment and restrict access to sensitive data until you can remove the package.

While removing the package is crucial, there is no guarantee that all malicious software resulting from its installation will be removed. It is advisable to conduct a thorough security audit.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall @platform-ui-storybook/copy-button

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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