Malicious Code Injection in nokire-kore33: A Threat to npm Users
Summary
MAL-2025-162721: Malicious code in nokire-kore33 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The nokire-kore33 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 distribution of JavaScript applications. However, it has been identified as part of a malicious campaign that aims to exploit npm's publishing capabilities, leading to potential security risks for developers and users alike.
Vulnerability Detail
The vulnerability in nokire-kore33 stems from its association with the tea.xyz token reward campaign, which has been flooding the npm registry with malicious packages. These packages contain scripts designed to automatically generate and publish derivative packages with randomized names, thereby inflating developer reputation scores for token rewards. The malicious payload modifies the package.json file by removing private flags, changing version numbers, and continuously republishing variants, which can lead to pollution of the npm registry and compromise the integrity of the software supply chain.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall nokire-kore33
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, you can avoid using the nokire-kore33 package and look for alternative packages that provide similar functionality without the associated risks. Always verify the integrity and reputation of packages before including them in your projects.
Conclusion
The nokire-kore33 package poses a significant threat to npm users due to its malicious code designed to exploit the npm registry. It is crucial to remove this package and monitor your dependencies for vulnerabilities to maintain the security and integrity of your projects.
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FAQ
Nokire-kore33 is an npm package that has been identified as part of a malicious campaign aimed at exploiting the npm registry.
The vulnerability can lead to the pollution of the npm registry and compromise the integrity of your project's dependencies, potentially introducing malicious code.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
You should immediately uninstall the nokire-kore33 package using npm uninstall nokire-kore33 and review your project's dependencies for any other potentially malicious packages.
Vulert is a useful tool that monitors and alerts for open-source vulnerabilities in your software by analyzing your package-lock.json file.