Malicious Code Injection in written_minnow_0xrequest Package

written_minnow_0xrequest Updated 18 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-111036: Malicious code in written_minnow_0xrequest (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The written_minnow_0xrequest package is part of the npm ecosystem, which is widely used for JavaScript development. This package, like many others, is intended to facilitate various functionalities in applications. However, it has been identified as part of a malicious campaign that floods the npm registry with harmful packages designed to inflate developer reputation scores through automated scripts.

Vulnerability Detail

The vulnerability in the written_minnow_0xrequest package stems from its association with a malicious campaign that modifies the package.json file to remove private flags and alters version numbers. It generates random package names, primarily themed around Indonesian culture, and continuously republishes these variants, polluting the npm registry. This can lead to security risks, including the potential for unauthorized access to sensitive data and the compromise of application integrity.

How To Fix

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

npm uninstall written_minnow_0xrequest

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 →

Workaround

As a temporary workaround, you can avoid using the written_minnow_0xrequest package altogether and look for alternative packages that provide similar functionality without the associated risks.

Conclusion

The written_minnow_0xrequest package poses significant security risks due to its malicious code that modifies package metadata and repopulates the npm registry with harmful variants. It is essential to remove this package and monitor your projects for vulnerabilities to maintain application security.

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FAQ

It is an npm package that has been identified as part of a malicious campaign aimed at inflating developer reputation scores.

The vulnerability can lead to unauthorized modifications in your application's dependencies, potentially compromising its security and integrity.

You should uninstall the written_minnow_0xrequest package immediately and check for any other affected packages in your project.

Yes, you can use tools like Vulert, which monitors your package-lock.json file to alert you in real-time for open-source vulnerabilities.

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

How To Fix

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

npm uninstall written_minnow_0xrequest

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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