Malicious Code Injection in wulan-14: A Threat to npm Ecosystem
Summary
MAL-2025-170538: Malicious code in wulan-14 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package wulan-14 is part of the npm ecosystem, which is widely used for JavaScript package management. It is designed to facilitate the development and sharing of JavaScript code. However, wulan-14 has been identified as part of a malicious campaign that aims to exploit the npm registry by flooding it with derivative packages that inflate developer reputation scores for token rewards. This vulnerability poses a significant risk to developers and users relying on the integrity of npm packages.
Vulnerability Detail
The vulnerability in wulan-14 originates from its association with the tea.xyz token reward campaign, which has been linked to malicious activities on npm. The package contains scripts that modify the package.json file to remove private flags, alter version numbers, and generate random package names. This leads to the continuous republishing of variants, effectively polluting the npm registry and compromising the reliability of the ecosystem. The ramifications include potential security risks for applications using these packages, as well as damage to the reputation of legitimate developers.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall wulan-14If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, you can avoid using wulan-14 and any other packages associated with the tea.xyz token reward campaign. Regularly audit your dependencies using tools like npm audit to identify and address vulnerabilities in your project.
Conclusion
The discovery of malicious code in the wulan-14 package highlights the importance of vigilance in managing dependencies within the npm ecosystem. By understanding the nature of this vulnerability and taking proactive steps to mitigate risks, developers can protect their applications and maintain the integrity of their projects.
See every vulnerability recorded for wulan-14 →
FAQ
Wulan-14 is an npm package that has been identified as part of a malicious campaign to exploit the npm registry.
The vulnerability can lead to the introduction of malicious code into your application, compromising its security and integrity.
You can use the Vulert service to monitor your package-lock.json file for vulnerabilities in real-time. Visit Vulert Scanner to check your application without any signup.
You should uninstall wulan-14 immediately using 'npm uninstall wulan-14' and audit your dependencies for any other vulnerabilities.
Yes, tools like Vulert can help monitor and alert you for open-source vulnerabilities in your software without requiring access to the code or installation.
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