Malicious Code Injection in outside_mite_z3n Package - npm Vulnerability
Summary
MAL-2025-106842: Malicious code in outside_mite_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The outside_mite_z3n package is part of the npm ecosystem, which is widely used for JavaScript package management. This package has been identified as part of a malicious campaign associated with the tea.xyz token reward system. It is designed to automate the generation and publication of derivative packages, often with randomized names, to manipulate developer reputation scores for token rewards.
Vulnerability Detail
The vulnerability stems from the presence of malicious code within the outside_mite_z3n package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, leading to the continuous republishing of variants. This behavior not only pollutes the npm registry but also poses a risk to developers who may unknowingly install these compromised packages, potentially leading to further exploitation.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall outside_mite_z3nIf 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 outside_mite_z3n package and look for alternative packages that provide similar functionality without the associated risks. Always verify the integrity and reputation of packages before installation.
Conclusion
The outside_mite_z3n package poses a significant risk due to its malicious code that alters package metadata and floods the npm registry. It is essential to remove this package and stay vigilant by using trusted sources and monitoring tools like Vulert to safeguard your projects from similar vulnerabilities.
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FAQ
The outside_mite_z3n package is an npm package that has been identified as part of a malicious campaign aimed at manipulating developer reputation scores through automated package publishing.
The malicious code modifies your package.json file, removes private flags, and generates random package names, which can lead to the pollution of the npm registry and potential security risks for your project.
If you have installed the outside_mite_z3n package, you should uninstall it immediately using the command: npm uninstall outside_mite_z3n.
To prevent similar vulnerabilities, regularly update your dependencies, use trusted packages, and consider using tools like Vulert to monitor your project for open-source vulnerabilities.
Vulert is a tool that monitors and alerts in real-time for open-source vulnerabilities in your software using just the package-lock.json file. You can check if your application is affected by vulnerabilities using the Vulert playground without any signup.
