Malicious Code Detected in cover-background Package - MAL-2025-17638

cover-background Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-17638: Malicious code in cover-background (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The cover-background package is an npm library designed for adding background images and styles to web applications. It provides developers with tools to easily manage and customize backgrounds in their projects. However, this package has been flagged for containing malicious code, which poses a significant risk to users and their applications.

Vulnerability Detail

The vulnerability in the cover-background package stems from the inclusion of malicious code that can compromise the security of applications utilizing this library. This code may lead to unauthorized access, data breaches, or other harmful actions within the affected systems. The malicious nature of the code was identified by Amazon Inspector, highlighting the importance of scrutinizing third-party packages for security risks.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall cover-background

If 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

If you cannot update the package immediately, consider removing the cover-background package from your project until a safe version is available. You can do this by running: npm uninstall cover-background.

Conclusion

The cover-background package has been identified as containing malicious code, posing a significant risk to users. It is essential to update or remove the package to safeguard your applications. Regular monitoring for vulnerabilities using tools like Vulert can help maintain the security of your software.

See every vulnerability recorded for cover-background →

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FAQ

The cover-background package is an npm library used for managing background images and styles in web applications.

The malicious code can compromise application security, potentially leading to unauthorized access or data breaches.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.

Consider uninstalling the cover-background package until a safe version is released. Use the command: npm uninstall cover-background.

The vulnerability was identified by Amazon Inspector, a security tool that helps find and mitigate risks in software packages.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall cover-background

If 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 →

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