Malicious Code Injection in mwjaul-devapptea Package
Summary
MAL-2025-106067: Malicious code in mwjaul-devapptea (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The mwjaul-devapptea package is part of the npm ecosystem, typically used in various JavaScript applications. It is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with numerous packages. These packages often contain scripts that automatically generate and publish derivative packages, which can lead to reputation inflation for developers involved in the tea protocol.
Vulnerability Detail
The mwjaul-devapptea package contains malicious code that modifies the package.json file by removing private flags, altering version numbers, and generating random package names. This behavior is part of a broader scheme to pollute the npm registry by continuously republishing variants of the package. The origin of this vulnerability is linked to the tea.xyz token reward campaign, which incentivizes developers to inflate their reputation scores through such malicious practices. The ramifications include potential security risks for applications using this package, as well as the degradation of the npm registry's integrity.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mwjaul-devappteaIf 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 mwjaul-devapptea package altogether and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your project for any dependencies that may introduce vulnerabilities using tools like Vulert, which can alert you to open-source vulnerabilities in real-time.
Conclusion
The mwjaul-devapptea package poses a significant security risk due to its malicious code that modifies package configurations and pollutes the npm registry. It is crucial for developers to remove this package from their projects and utilize tools like Vulert to monitor for vulnerabilities in their dependencies.
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FAQ
The mwjaul-devapptea package is an npm package associated with the tea.xyz token reward campaign, often used in JavaScript applications.
The package modifies the package.json file, removes private flags, changes version numbers, and generates random package names to pollute the npm registry.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
If you have installed the mwjaul-devapptea package, you should uninstall it immediately using the command npm uninstall mwjaul-devapptea.
Yes, Vulert can monitor your project for open-source vulnerabilities in real-time using just your package-lock.json file.
