Malicious Code Injection in fluffy_thrush_requirement Package
Summary
MAL-2025-94548: Malicious code in fluffy_thrush_requirement (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The fluffy_thrush_requirement package is part of the npm ecosystem, often utilized in JavaScript projects for dependency management. This package has been identified as part of a malicious campaign that aims to inflate developer reputation scores through the automatic generation and publication of derivative packages. The malicious nature of this package compromises the integrity of the npm registry and poses a risk to developers who may unknowingly use it.
Vulnerability Detail
The vulnerability stems from the package's involvement in a token reward campaign that floods the npm registry with malicious packages. It contains scripts designed to modify the package.json file by removing private flags, altering version numbers, and generating random package names. This behavior not only pollutes the npm registry but also potentially exposes developers to further security risks, as the malicious payload can lead to the installation of compromised packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall fluffy_thrush_requirement
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 avoid using the fluffy_thrush_requirement package altogether and replace it with a trusted alternative. Always verify the integrity of packages before installation.
Conclusion
The fluffy_thrush_requirement package poses a significant risk due to its malicious code designed to manipulate package metadata and pollute the npm registry. It is crucial for developers to remain vigilant, regularly audit their dependencies, and utilize tools like Vulert to monitor for vulnerabilities.
See every vulnerability recorded for fluffy_thrush_requirement →
FAQ
It is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores.
Using this package can lead to the installation of compromised code, which may expose your project to security risks and instability.
You should uninstall the fluffy_thrush_requirement package immediately and review your project's dependencies for any other potentially malicious packages.
You can use tools like Vulert, which monitors your package-lock.json file for open-source vulnerabilities in real-time without requiring code access or installation.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.