Malicious Code Vulnerability in juris-qeupss-ur Package
Summary
MAL-2025-157123: Malicious code in juris-qeupss-ur (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The juris-qeupss-ur 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 of applications by providing reusable code. However, it has been identified as part of a malicious campaign that aims to inflate developer reputation scores through the automatic generation and publication of derivative packages. This behavior not only compromises the integrity of the npm registry but also poses significant risks to developers who may unknowingly incorporate these malicious packages into their projects.
Vulnerability Detail
The vulnerability originates from the malicious code embedded within the juris-qeupss-ur package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, which are then republished to the npm registry. The ramifications of this vulnerability include the potential for developers to unintentionally use compromised packages, leading to security breaches, data leaks, or further propagation of malicious code within their applications. The technical aspects involve the use of autopublish scripts that automate the process of creating and distributing these harmful packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall juris-qeupss-urIf 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 juris-qeupss-ur package and any other packages that may be associated with the malicious campaign. Consider using alternative packages that provide similar functionality without the associated risks.
Conclusion
The juris-qeupss-ur package is a malicious npm package that poses significant risks to developers and their projects. By understanding the nature of this vulnerability and taking appropriate actions, such as uninstalling the package and monitoring for vulnerabilities, developers can protect their applications from potential threats.
See every vulnerability recorded for juris-qeupss-ur →
FAQ
The juris-qeupss-ur package is an npm package that has been identified as part of a malicious campaign aimed at inflating developer reputation scores.
The malicious code can modify your package.json file, remove private flags, and republish compromised packages, potentially leading to security vulnerabilities in your application.
You should uninstall the juris-qeupss-ur package immediately using the command npm uninstall juris-qeupss-ur and review your project's dependencies for any other compromised 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 also check your application against known vulnerabilities using the Vulert playground.
There is no patch for the juris-qeupss-ur package since it is a malicious package. The best course of action is to remove it and ensure your project uses secure alternatives.
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