Malicious Code Injection in elisacosta Package: A Threat to npm Users
Summary
MAL-2025-171138: Malicious code in elisacosta (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The elisacosta package is part of the npm ecosystem, which is widely used for JavaScript package management. This package, like many others, is intended to facilitate the development and deployment of applications by providing reusable code. However, it has been identified as part of a malicious campaign that exploits npm's publishing capabilities to inflate developer reputation scores through automated scripts.
Vulnerability Detail
The vulnerability in the elisacosta package originates from its association with a malicious campaign that floods the npm registry with derivative packages. These packages contain scripts that modify the package.json file to remove private flags, alter version numbers, and generate random package names. This behavior not only pollutes the npm registry but also poses a risk to developers who may unknowingly install these compromised packages, potentially leading to further exploitation and security breaches.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall elisacostaIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, avoid using the elisacosta package and consider using alternative packages that provide similar functionality without the associated risks. Regularly audit your package dependencies to identify and remove any potentially malicious packages.
Conclusion
The elisacosta package poses a significant risk due to its malicious behavior aimed at manipulating the npm registry. It is crucial for developers to be vigilant, regularly audit their dependencies, and utilize tools like Vulert to monitor for vulnerabilities. Taking proactive steps to remove compromised packages and replace them with trusted alternatives will help safeguard your projects.
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FAQ
The elisacosta package is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores through automated publishing of derivative packages.
The vulnerability can lead to the installation of compromised packages that may contain malicious code, potentially compromising your application's security and integrity.
You should immediately uninstall the elisacosta package using the command: npm uninstall elisacosta, and audit your project for any other potentially malicious packages.
You can use tools like Vulert, which monitors your package-lock.json file to alert you in real-time for open-source vulnerabilities. You can check your application against known vulnerabilities using the Vulert playground at Vulert Scanner.
Yes, consider using other reputable packages that provide similar functionality without the associated risks. Always verify the source and reputation of packages before installation.
