Malicious Code Injection in written_minnow_0xrequest Package
Summary
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.
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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.
See every vulnerability recorded for written_minnow_0xrequest →
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.