Malicious Code Injection in wet_otter_0xrequest Package
Summary
MAL-2025-110822: Malicious code in wet_otter_0xrequest (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The wet_otter_0xrequest package is part of the npm ecosystem, primarily used for various JavaScript functionalities. However, it has been identified as part of a malicious campaign that floods the npm registry with derivative packages. These packages are designed to inflate developer reputation scores for token rewards, making them a significant threat to developers and users alike.
Vulnerability Detail
The vulnerability in the wet_otter_0xrequest package stems from its association with the tea.xyz token reward campaign. The malicious 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 risks of dependency confusion and potential exploitation of applications relying on this package.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall wet_otter_0xrequestIf 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 remove the wet_otter_0xrequest package from your project by executing the following command: npm uninstall wet_otter_0xrequest. This will prevent any malicious code from executing in your application.
Conclusion
The wet_otter_0xrequest package poses a significant risk due to its malicious code that modifies package files and repopulates the npm registry. It is crucial to take immediate action by updating or removing the package to safeguard your application from potential exploitation.
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FAQ
The wet_otter_0xrequest package is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores.
The vulnerability can lead to dependency confusion, potential exploitation, and pollution of the npm registry, which can affect the integrity of your application.
Yes, you can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just package-lock.json. You can check your application for vulnerabilities using the Vulert playground at Vulert Scanner.
If no patched version is available, it is recommended to remove the package from your project to mitigate the risk.
Regularly check for updates to your dependencies, utilize tools like Vulert for monitoring vulnerabilities, and review your package-lock.json file for any suspicious packages.
