Malicious Code Injection in juris-qeuspss-ur Package: A Threat to npm Users
Summary
MAL-2025-157125: Malicious code in juris-qeuspss-ur (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The juris-qeuspss-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 exploits npm's publishing mechanisms, leading to potential security risks for developers and users alike.
Vulnerability Detail
The vulnerability originates from the juris-qeuspss-ur package being part of a malicious campaign associated with the tea.xyz token reward scheme. The package contains scripts designed to automatically generate and publish derivative packages with randomized names, which can inflate developer reputation scores for token rewards. The malicious payload modifies the package.json file to remove private flags, alters version numbers, and continuously republishes variants, leading to pollution of the npm registry. This can result in developers inadvertently using compromised packages, exposing their applications to security threats.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall juris-qeuspss-urIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, avoid using the juris-qeuspss-ur package and consider using alternative packages that provide similar functionality without the associated risks. Always review package dependencies and their sources before installation.
Conclusion
The juris-qeuspss-ur package poses a significant security threat due to its malicious code and the potential for dependency pollution. It is crucial for developers to remove this package from their projects and to utilize tools like Vulert to monitor for vulnerabilities in real-time. Staying informed about package security is essential for maintaining the integrity of software applications.
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FAQ
The juris-qeuspss-ur package is an npm package that has been identified as part of a malicious campaign aimed at manipulating the npm registry.
If your application uses the juris-qeuspss-ur package, it may be exposed to security risks, including the potential for malicious code execution and dependency pollution.
You should uninstall the juris-qeuspss-ur package immediately and review your project's dependencies 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 in your software.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
