Critical Malicious Code Vulnerability in ejs-client Package
Summary
MAL-2025-19278: Malicious code in ejs-client (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The ejs-client package is a Node.js library that facilitates the use of EJS (Embedded JavaScript) templates in client-side applications. It is widely used for rendering dynamic HTML content. However, this package has been found to contain malicious code, posing significant security risks to applications that utilize it.
Vulnerability Detail
The ejs-client package has been identified to contain malicious code that can compromise the security of applications using it. This vulnerability originates from the package itself, which was introduced in version 0 and has the potential to execute harmful actions, such as data theft or unauthorized access to sensitive information. Users of this package are at risk of exploitation if they do not take immediate action.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall ejs-clientIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, consider removing the ejs-client package from your project until a secure version is available. You can do this by executing: npm uninstall ejs-client. Alternatively, you may explore using a different templating engine that does not have known vulnerabilities.
Conclusion
The ejs-client package has a critical vulnerability due to the presence of malicious code. It is essential for developers using this package to take immediate action by updating to a secure version or removing the package altogether. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.
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FAQ
The ejs-client package is a library for using EJS templates in client-side applications, allowing developers to render dynamic HTML content.
The vulnerability was discovered by Amazon Inspector, which identified the presence of malicious code within the ejs-client package.
The risks include potential data theft, unauthorized access to sensitive information, and exploitation of the application by malicious actors.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check if your application is affected without any signup.
Yes, it is recommended to update the ejs-client package to the latest patched version to mitigate the risks associated with this vulnerability.
