Malicious Code Injection in messi-urat-efduds Package
Summary
MAL-2025-160387: Malicious code in messi-urat-efduds (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The messi-urat-efduds package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publication of derivative packages, which can inflate developer reputation scores. However, it has been identified as containing malicious code that modifies package configurations and publishes variants to the npm registry, leading to potential security risks.
Vulnerability Detail
The vulnerability in the messi-urat-efduds package originates from its association with a malicious campaign that floods the npm registry with derivative packages. The malicious payload alters the package.json file by removing private flags, changing version numbers, and generating random package names. This behavior can lead to the pollution of the npm registry, making it difficult for developers to find legitimate packages and potentially exposing them to security risks from untrusted code.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall messi-urat-efdudsIf 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 messi-urat-efduds package and replace it with a trusted alternative. Always verify the integrity and source of packages before including them in your project.
Conclusion
The messi-urat-efduds package has been identified as containing malicious code that poses significant risks to developers and their projects. It is crucial to uninstall this package and monitor your dependencies for vulnerabilities to maintain the security of your applications.
See every vulnerability recorded for messi-urat-efduds →
FAQ
The messi-urat-efduds package is an npm package that is part of a malicious campaign aimed at inflating developer reputation scores through the automatic generation of derivative packages.
The vulnerability can lead to the pollution of the npm registry, making it challenging to find legitimate packages and potentially exposing your project to untrusted code.
If you have installed the messi-urat-efduds package, you should uninstall it immediately using the command npm uninstall messi-urat-efduds.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. It requires only the package-lock.json file to provide real-time alerts.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
