Malicious Code Injection in manadsi-scdor-nasidsop Package
Summary
MAL-2025-159399: Malicious code in manadsi-scdor-nasidsop (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The manadsi-scdor-nasidsop 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 the npm registry by flooding it with derivative packages. The malicious behavior includes modifying package metadata and republishing variants to inflate developer reputation scores.
Vulnerability Detail
The vulnerability originates from the manadsi-scdor-nasidsop package, which contains scripts designed to automatically generate and publish derivative packages with randomized names. This behavior not only pollutes the npm registry but also compromises the integrity of the package ecosystem. The malicious payload alters the package.json file by removing private flags, changing version numbers, and continuously republishing variants, which can lead to significant security risks for developers relying on this package.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall manadsi-scdor-nasidsopIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can prevent the installation of this package by using npm's package-lock.json to monitor dependencies. If you are using Vulert, you can check for vulnerabilities in your project without needing to access the code. Use the following command to remove the package: npm uninstall manadsi-scdor-nasidsop.
Conclusion
The manadsi-scdor-nasidsop package poses a significant security risk due to its malicious behavior of modifying and republishing packages. It is crucial to remove this package from your project and monitor for any vulnerabilities using tools like Vulert to ensure the security of your application.
See every vulnerability recorded for manadsi-scdor-nasidsop →
FAQ
It is an npm package that has been identified as part of a malicious campaign to exploit the npm registry.
The vulnerability can lead to the pollution of the npm registry and compromise the integrity of your project's dependencies.
You should uninstall the manadsi-scdor-nasidsop package immediately and monitor your project for any further vulnerabilities.
Yes, you can use Vulert to monitor your project for open-source vulnerabilities in real-time using just the package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check if your application is affected without needing to sign up.
