Malicious Code Injection in rival-poke4 Package - npm Vulnerability
Summary
MAL-2025-165022: Malicious code in rival-poke4 (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 rival-poke4 package is part of the npm ecosystem, primarily used for various JavaScript applications. It is often leveraged by developers to enhance functionality within their projects. However, this package has been identified as part of a malicious campaign that aims to exploit npm's publishing mechanisms, leading to significant security concerns.
Vulnerability Detail
The vulnerability originates from the rival-poke4 package being associated with the tea.xyz token reward campaign, which has flooded the npm registry with malicious packages. These packages contain scripts that automatically modify the package.json file to remove private flags, alter version numbers, and generate random package names. This behavior not only inflates developer reputation scores but also pollutes the npm registry, potentially leading to the installation of compromised packages by unsuspecting developers.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall rival-poke4If 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 avoid using the rival-poke4 package and look for alternative packages that provide similar functionality without the associated risks. Additionally, ensure that your package-lock.json is monitored for any unauthorized changes.
Conclusion
The rival-poke4 package poses a significant security risk due to its malicious code designed to exploit npm's publishing system. It is essential to remove this package from your projects and monitor for any unauthorized changes. Utilizing tools like Vulert can help maintain the security of your applications.
See every vulnerability recorded for rival-poke4 →
FAQ
The rival-poke4 package is an npm package used in JavaScript applications, but it has been compromised with malicious code.
This vulnerability can lead to the installation of malicious packages, compromising your application's integrity and security.
You should uninstall the rival-poke4 package immediately and monitor your project for any unauthorized changes.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using just package-lock.json.
You can use the Vulert playground at Vulert Scanner to check if your application is affected without any signup.
