Critical Malicious Code Vulnerability in react-packery-component Package

react-packery-component Updated 25 Nov 2025

Summary

24/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-191414: Malicious code in react-packery-component (npm). Affects react-packery-component versions 1.0.3. No fix is published. How to fix ↓

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Background

The react-packery-component is an npm package that provides a React wrapper for the Packery layout library, allowing developers to create grid layouts with draggable and resizable items. This package is widely used in web applications for its flexibility and ease of integration. However, it has recently been compromised, exposing users to severe security risks.

Vulnerability Detail

The vulnerability originates from a malicious payload introduced by the Sha1-Hulud: The Second Coming NPM worm. This worm is designed to steal tokens and credentials from affected systems and publish them to GitHub. It can propagate itself to other npm packages owned by the user and establish persistence through GitHub actions. Additionally, it poses a risk of destroying the user's home directory, making it critical for users to act swiftly.

How To Fix

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

npm uninstall react-packery-component

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

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Workaround

There are no effective workarounds for this vulnerability. The only recommended action is to remove the package entirely and secure the system.

Conclusion

The react-packery-component package has been compromised by a malicious worm that poses significant security risks. Users must take immediate action to remove the package and secure their systems. Utilizing tools like Vulert can help in monitoring for such vulnerabilities in the future.

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FAQ

You should remove the package immediately and rotate any secrets or keys stored on your computer.

You can use the Vulert playground at Vulert Scanner to check if your application is affected without requiring any signup.

Failing to address this vulnerability can lead to unauthorized access to your tokens and credentials, potential data loss, and further compromise of your systems.

It is advisable to avoid using the react-packery-component package until a verified and secure version is released.

Vulert monitors and alerts in real-time for open-source vulnerabilities using just the package-lock.json file, providing an easy way to stay informed about potential threats.

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How To Fix

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

npm uninstall react-packery-component

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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