Malicious Code Injection in modirai-igono-jimagifagi Package
Summary
MAL-2025-160714: Malicious code in modirai-igono-jimagifagi (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The modirai-igono-jimagifagi package is part of the npm ecosystem, typically used for various JavaScript functionalities. However, it has been identified as part of a malicious campaign that floods the npm registry with derivative packages to inflate developer reputation scores. This package is particularly vulnerable due to its association with the tea.xyz token reward scheme, which exploits npm's publishing capabilities.
Vulnerability Detail
The vulnerability originates from the package's malicious payload, which modifies the package.json file to remove private flags and alters version numbers. It generates random package names, often themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This behavior not only compromises the integrity of the npm ecosystem but also poses risks to developers who may unknowingly use these compromised packages, leading to potential security breaches and loss of trust in the package management system.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall modirai-igono-jimagifagiIf 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 modirai-igono-jimagifagi package and look for alternative packages that provide similar functionality without the associated risks. Additionally, regularly audit your package-lock.json file for any malicious dependencies.
Conclusion
The modirai-igono-jimagifagi package poses a significant risk due to its malicious behavior aimed at manipulating the npm registry. Developers are advised to remove this package from their projects and utilize tools like Vulert to monitor for vulnerabilities in their dependencies.
See every vulnerability recorded for modirai-igono-jimagifagi →
FAQ
It is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores through the creation of derivative packages.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. By checking your package-lock.json file, you can determine if your application is affected. You can also use the Vulert playground at Vulert Scanner without any signup.
Using this package can lead to security breaches, as it modifies essential files and repackages them under random names, potentially introducing malicious code into your application.
Currently, there is no specific patch for the modirai-igono-jimagifagi package. The recommended action is to uninstall the package and look for alternatives.
You should immediately uninstall the modirai-igono-jimagifagi package and audit your project for any other potentially malicious dependencies.
