Malicious Code Injection in maya-jus63-ruro Package: npm Vulnerability Summary
Summary
MAL-2025-105688: Malicious code in maya-jus63-ruro (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The maya-jus63-ruro package is part of the npm ecosystem, which is widely used for managing JavaScript packages. This package has been identified as part of a malicious campaign that aims to exploit npm's publishing system. The vulnerability arises from the package's design, which includes scripts that automatically generate and publish derivative packages, thereby inflating developer reputation scores for token rewards.
Vulnerability Detail
The vulnerability in the maya-jus63-ruro package stems from its inclusion in a malicious campaign associated with the tea.xyz token reward initiative. The package contains scripts (auto.js, autopublish.js, etc.) that modify the package.json file to remove private flags, alter version numbers, and create random package names. This behavior leads to the continuous republishing of variants, polluting the npm registry and potentially compromising the integrity of other packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall maya-jus63-ruroIf 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 prevent the installation of the affected package by using npm's package-lock.json to monitor dependencies. Ensure that your project does not include maya-jus63-ruro in its dependencies. You can also use the following command to uninstall it if it has already been installed: npm uninstall maya-jus63-ruro.
Conclusion
The maya-jus63-ruro package poses a significant risk due to its malicious code designed to exploit the npm registry. It is essential to remove this package from your project and monitor your dependencies for vulnerabilities using tools like Vulert.
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FAQ
The maya-jus63-ruro package is an npm package that has been identified as part of a malicious campaign aimed at exploiting the npm registry.
This vulnerability can lead to the pollution of the npm registry and may compromise the integrity of your project's dependencies.
You should remove the maya-jus63-ruro package from your project and check for any alternative packages that are secure.
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.
