Malicious Code in plain_ladybug_z3n: A Threat to npm Ecosystem
Summary
MAL-2025-107086: Malicious code in plain_ladybug_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
plain_ladybug_z3n is an npm package that is part of a broader campaign associated with the tea.xyz token reward system. This package, like others in the campaign, is designed to manipulate the npm registry by generating and publishing numerous derivative packages with randomized names. The malicious nature of this package poses a significant risk to developers and the integrity of the npm ecosystem.
Vulnerability Detail
The vulnerability in plain_ladybug_z3n stems from its inclusion in a malicious campaign that floods the npm registry with derivative packages. It contains scripts that automatically modify the package.json file, removing private flags, altering version numbers, and creating random package names. This behavior not only inflates developer reputation scores for token rewards but also pollutes the npm registry, making it difficult for developers to find legitimate packages. The origin of this vulnerability is linked to the tea.xyz token reward campaign, which exploits npm's publishing mechanisms.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall plain_ladybug_z3nIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can avoid using the plain_ladybug_z3n package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can use the following command to uninstall the package: npm uninstall plain_ladybug_z3n.
Conclusion
The plain_ladybug_z3n package poses a significant threat to the npm ecosystem due to its malicious behavior. It is essential for developers to be aware of this vulnerability, take necessary actions to remove the package, and utilize tools like Vulert to monitor their projects for potential vulnerabilities.
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FAQ
plain_ladybug_z3n is an npm package that is part of a malicious campaign aimed at manipulating the npm registry.
This vulnerability can lead to the pollution of the npm registry, making it difficult to find legitimate packages and potentially compromising your project's integrity.
You should uninstall the plain_ladybug_z3n package immediately and look for alternative packages that do not pose a security risk.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using just the package-lock.json file. You can check your application for vulnerabilities using the Vulert playground without any signup.
Regularly check for updates to your dependencies, use tools like Vulert for real-time monitoring, and review the security advisories for the packages you use.
