Malicious Code Injection in manttu-muniae-muadfiao Package
Summary
MAL-2025-159929: Malicious code in manttu-muniae-muadfiao (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The manttu-muniae-muadfiao package is part of the npm ecosystem, often used in JavaScript applications for various functionalities. However, it has been identified as part of a malicious campaign that floods the npm registry with harmful packages. This package is designed to manipulate developer reputation scores through automated publishing scripts, making it a significant threat to developers and their projects.
Vulnerability Detail
The vulnerability in the manttu-muniae-muadfiao package originates from its association with the tea.xyz token reward campaign. It contains scripts that automatically modify the package.json file to remove private flags, alter version numbers, and generate random package names. This behavior leads to the continuous republishing of variants, which pollutes the npm registry and can compromise the integrity of applications relying on this package.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall manttu-muniae-muadfiaoIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
If an immediate update is not possible, consider removing the package from your project and replacing it with a safer alternative. You can do this by running: npm uninstall manttu-muniae-muadfiao.
Conclusion
The manttu-muniae-muadfiao package poses a significant risk due to its malicious code designed to manipulate npm registry data. It is essential for developers to take immediate action by updating or removing this package to safeguard their applications.
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FAQ
It is an npm package that has been identified as part of a malicious campaign aimed at manipulating developer reputation scores.
The vulnerability can lead to the pollution of the npm registry and may compromise the integrity of your application if it relies on this package.
You should update the package to the latest patched version or remove it from your project entirely.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using just package-lock.json.
You can use the Vulert playground at Vulert Scanner to check for vulnerabilities without needing to sign up.
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