Critical Malicious Code Vulnerability in @posthog/gitub-star-sync-plugin
Summary
MAL-2025-190881: Malicious code in @posthog/gitub-star-sync-plugin (npm). Affects @posthog/gitub-star-sync-plugin versions 0.0.8. No fix is published. How to fix ↓
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Background
The @posthog/gitub-star-sync-plugin is an npm package designed to synchronize GitHub stars with PostHog. It allows developers to track and manage their GitHub stars effectively. However, this package has been identified to contain malicious code, posing a significant risk to users who integrate it into their applications.
Vulnerability Detail
The vulnerability originates from the inclusion of malicious code within the @posthog/gitub-star-sync-plugin package. This code can potentially compromise the security of applications using the package, leading to unauthorized access, data breaches, or other malicious activities. The specific version affected is 0.0.8, and it has been flagged by Amazon Inspector as containing harmful elements.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @posthog/gitub-star-sync-pluginIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, users are advised to remove the @posthog/gitub-star-sync-plugin package from their project until a secure version is released. You can uninstall the package using the following command: npm uninstall @posthog/gitub-star-sync-plugin.
Conclusion
The @posthog/gitub-star-sync-plugin package has been found to contain malicious code, posing a significant risk to users. It is crucial to update or remove the package to safeguard your application from potential threats. Regular monitoring for vulnerabilities using tools like Vulert can help maintain the security of your software.
See every vulnerability recorded for @posthog/gitub-star-sync-plugin →
FAQ
The malicious code can compromise the security of applications, potentially leading to unauthorized access and data breaches.
The affected version is 0.0.8 of the @posthog/gitub-star-sync-plugin package.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without requiring access to the code.
If an immediate update is not possible, consider removing the package from your project as a temporary measure.
The vulnerability was reported by Amazon Inspector, which identified the malicious code in the package.
