Malicious Code Injection in pajero-cir7: A Threat to npm Users
Summary
MAL-2025-163954: Malicious code in pajero-cir7 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
pajero-cir7 is an npm package that has been implicated in a malicious campaign targeting the npm registry. This package is part of a broader initiative that aims to exploit the npm ecosystem by flooding it with derivative packages. The primary functionality of pajero-cir7 is to serve as a token reward mechanism, but it has been compromised to include harmful scripts that manipulate package metadata.
Vulnerability Detail
The vulnerability in pajero-cir7 originates from its association with a malicious campaign that modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior is designed to inflate developer reputation scores for token rewards, leading to pollution of the npm registry. The malicious payload can potentially allow unauthorized access to sensitive information and disrupt the integrity of the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall pajero-cir7If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, avoid using pajero-cir7 and consider using alternative packages that provide similar functionality without the associated risks. Regularly audit your package-lock.json file to identify and remove any malicious packages.
Conclusion
The pajero-cir7 package poses a significant risk to npm users due to its malicious code that alters package metadata. It is crucial to remove this package from your projects and monitor your dependencies for similar vulnerabilities. Utilizing tools like Vulert can help maintain the security of your applications.
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FAQ
pajero-cir7 is an npm package that has been identified as part of a malicious campaign to exploit the npm registry.
The vulnerability can lead to unauthorized modifications of your package metadata, potentially compromising your application's integrity and security.
You should uninstall pajero-cir7 immediately and check for any dependencies that may be affected.
Yes, you can use tools like Vulert, which monitors your package-lock.json for vulnerabilities in real-time without requiring code access or installation.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
