Malicious Code Detected in ccmarker Package - Security Alert

ccmarker Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-16684: Malicious code in ccmarker (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The ccmarker package is an npm library designed for creating and managing markers in various applications. It is widely used in projects that require dynamic content rendering. However, the package has been identified to contain malicious code, posing significant security risks to users and their applications.

Vulnerability Detail

The vulnerability in the ccmarker package originates from the inclusion of malicious code that can compromise the integrity of applications using this library. This code may lead to unauthorized access, data breaches, or other harmful actions within the affected systems. Users of the ccmarker package should be aware of the potential ramifications, including loss of sensitive data and damage to application functionality.

How To Fix

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

npm uninstall ccmarker

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

As a temporary measure, consider removing the ccmarker package from your project until a secure version is available. You can do this by executing 'npm uninstall ccmarker' in your terminal.

Conclusion

The ccmarker package has been identified to contain malicious code, posing serious security risks. It is crucial for users to update to a patched version or remove the package until a fix is available. Regular monitoring of dependencies using tools like Vulert can help maintain application security.

See every vulnerability recorded for ccmarker →

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FAQ

ccmarker is an npm library used for creating and managing markers in applications, often utilized for dynamic content rendering.

The malicious code can compromise application security, potentially leading to unauthorized access and 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 requiring signup.

As a workaround, consider uninstalling the ccmarker package until a secure version is released.

Detailed information can be found on the GitHub repository of the malicious packages at https://github.com/ossf/malicious-packages.

How To Fix

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

npm uninstall ccmarker

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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