Malicious Code Injection in nosy_wren-strongdev Package
Summary
MAL-2025-106389: Malicious code in nosy_wren-strongdev (npm). Affected versions are not published. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The nosy_wren-strongdev package is part of the npm ecosystem, which is widely used for JavaScript development. It is designed to facilitate various development tasks but has been compromised as part of a malicious campaign. This package has been linked to the tea.xyz token reward scheme, which aims to inflate developer reputation scores through the automatic generation and publication of derivative packages.
Vulnerability Detail
The vulnerability stems from the presence of malicious code within the nosy_wren-strongdev package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, leading to the continuous republishing of these variants. This behavior not only pollutes the npm registry but also poses a risk to developers who may unknowingly use these compromised packages, potentially leading to security breaches in their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall nosy_wren-strongdevIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
As a temporary workaround, you can remove the nosy_wren-strongdev package from your project by executing: npm uninstall nosy_wren-strongdev. This will prevent any malicious code from executing until a secure version is available.
Conclusion
The nosy_wren-strongdev package has been identified as containing malicious code that can compromise the security of projects using it. It is crucial to take immediate action by updating or removing the package and to utilize tools like Vulert for ongoing vulnerability monitoring.
See every vulnerability recorded for nosy_wren-strongdev →
FAQ
It is an npm package that has been compromised with malicious code as part of a token reward scheme.
The malicious code modifies your package.json file and can lead to the publication of unauthorized packages, potentially compromising your project's security.
You should uninstall the package immediately and check for any updates or patches that may be available.
Yes, you can use Vulert to monitor your project for open-source vulnerabilities in real-time by analyzing your package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check if your application is affected without needing to sign up.
