Malicious Code Injection in financial_wildfowl-excellentdev Package

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-102724: Malicious code in financial_wildfowl-excellentdev (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The financial_wildfowl-excellentdev package is part of the npm ecosystem, typically used for various development purposes. However, it has been identified as part of a malicious campaign aimed at manipulating the npm registry. This package is associated with the tea.xyz token reward initiative, which has led to the proliferation of numerous derivative packages that can compromise the integrity of the npm ecosystem.

Vulnerability Detail

The vulnerability originates from the financial_wildfowl-excellentdev package, which contains malicious code designed to modify the package.json file. This code removes private flags, alters version numbers, and generates random package names, thereby inflating developer reputation scores for token rewards. The continuous republishing of these variants can lead to pollution of the npm registry, making it difficult for developers to find legitimate packages and potentially exposing them to further security risks.

How To Fix

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

npm uninstall financial_wildfowl-excellentdev

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

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Workaround

As a temporary measure, you can avoid using the financial_wildfowl-excellentdev package and replace it with a legitimate alternative that serves the same purpose. Always verify the integrity and source of any package before installation.

Conclusion

The financial_wildfowl-excellentdev package poses a significant risk due to its malicious code designed to manipulate the npm registry. It is essential to remove this package from your project and monitor your dependencies regularly to ensure the security of your applications.

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FAQ

It is an npm package that has been identified as part of a malicious campaign to manipulate the npm registry.

The vulnerability can lead to the pollution of the npm registry, making it difficult to find legitimate packages and potentially exposing your application to further security risks.

You should uninstall the financial_wildfowl-excellentdev package immediately and check for any other affected dependencies.

You can use tools like Vulert, which monitors and alerts you in real-time for open-source vulnerabilities using just your package-lock.json file.

Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.

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How To Fix

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

npm uninstall financial_wildfowl-excellentdev

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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