Malicious Code Injection in selected_quokka_z3n Package
Summary
MAL-2025-96498: Malicious code in selected_quokka_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The selected_quokka_z3n 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 exploit npm's publishing system, leading to significant risks for developers and their projects.
Vulnerability Detail
The vulnerability in the selected_quokka_z3n package stems from its association with a malicious campaign that generates and publishes derivative packages with randomized names. This is done through autopublish scripts that modify the package.json file to remove private flags and change version numbers. The malicious payload can lead to pollution of the npm registry, making it difficult for developers to find legitimate packages and potentially compromising their applications with untrusted code.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall selected_quokka_z3nIf 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 selected_quokka_z3n package until a fix is released. Additionally, you can monitor your package-lock.json file for any changes that may indicate the presence of malicious packages. Use the following command to remove the package: npm uninstall selected_quokka_z3n.
Conclusion
The selected_quokka_z3n package has been identified as part of a malicious campaign that poses a significant risk to developers using npm. It is crucial to take immediate action by updating or removing the package to safeguard your applications from potential threats.
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FAQ
The selected_quokka_z3n package is an npm package that is part of a malicious campaign aimed at exploiting the npm registry.
This vulnerability can lead to the introduction of malicious code into your application, potentially compromising its security and functionality.
If you have installed the selected_quokka_z3n package, you should uninstall it immediately and monitor your project for any signs of malicious activity.
Yes, you can use tools like Vulert, which monitors your package-lock.json file for open-source vulnerabilities in real-time without requiring code access or installation.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
