Malicious Code Detected in npm Package 'ejercico'
Summary
MAL-2025-19276: Malicious code in ejercico (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The 'ejercico' package is an npm library designed for educational purposes, often used in coding exercises and tutorials. It provides various functionalities to assist developers in learning JavaScript and related technologies. However, it has been identified to contain malicious code, posing significant risks to users who integrate it into their applications.
Vulnerability Detail
The vulnerability in the 'ejercico' package arises from the presence of malicious code that can compromise the security of applications utilizing this package. This code may lead to unauthorized access, data breaches, or other harmful actions within the user's environment. The issue was introduced in version 0 and affects all subsequent versions, making it critical for users to take immediate action to mitigate potential risks.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall ejercico
If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, users can isolate the functionality that relies on the 'ejercico' package and replace it with custom implementations or alternative libraries that do not pose security risks.
Conclusion
The 'ejercico' package has been identified as containing malicious code, posing significant risks to users. Immediate action is required to remove the package and replace it with secure alternatives. Users are encouraged to utilize tools like Vulert to monitor their applications for vulnerabilities.
See every vulnerability recorded for ejercico →
FAQ
The 'ejercico' package is an npm library used for educational purposes, particularly in coding exercises and tutorials.
The malicious code in 'ejercico' can lead to unauthorized access and potential data breaches in applications that use it.
You can use Vulert, a tool that monitors open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.
You should remove the 'ejercico' package from your project and replace it with a secure alternative immediately.
Currently, there is no patched version available. It is recommended to avoid using the package until further notice.