Malicious Code Detected in simple-web-app-package: A Critical Security Alert

simple-web-app-package Updated 02 Oct 2025

Summary

06/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-6855: Malicious code in simple-web-app-package (npm). Affects simple-web-app-package versions >= 1.0.0. No fix is published. How to fix ↓

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats
SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml
Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile
Javascript package-lock.json · yarn.lock · pnpm-lock.yaml
PHP composer.lock
Python poetry.lock · requirements.txt · Pipfile.lock
Go go.mod
Rust Cargo.lock
Ruby Gemfile.lock
Dart pubspec.lock
C/C++ conan.lock
Elixir mix.lock
Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Sponsored MarkAI Find prospects already talking about the problem you solve AI watches the communities your customers use to find qualified prospects, then alerts you when a conversation is worth joining. See MarkAI

Background

The simple-web-app-package is an npm package designed for building web applications with simplicity and ease of use. It offers developers a streamlined way to create and deploy web apps. However, this package has been identified as having a serious vulnerability due to its communication with a domain linked to malicious activities, potentially compromising user data and application integrity.

Vulnerability Detail

The vulnerability in simple-web-app-package arises from its communication with a domain associated with malicious activities. This could lead to unauthorized access to sensitive information, data breaches, or the execution of harmful code within the user's environment. The issue was introduced in version 1.0.0 and poses significant risks to applications relying on this package, as it may allow attackers to exploit the application and its users.

How To Fix

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

npm uninstall simple-web-app-package

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 workaround, you can remove the simple-web-app-package from your project until a secure version is released. This can be done by executing the following command: npm uninstall simple-web-app-package. Consider using alternative packages that do not have known vulnerabilities.

Conclusion

The simple-web-app-package has been identified as having a critical vulnerability due to its communication with a malicious domain. It is essential for developers to take immediate action by updating or removing the package to protect their applications and users from potential threats.

See every vulnerability recorded for simple-web-app-package →

Share this vulnerability

FAQ

The simple-web-app-package is an npm package designed to help developers create and deploy web applications easily.

The vulnerability involves the package communicating with a domain linked to malicious activities, which could compromise user data and application security.

You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without any signup.

If an immediate update is not possible, consider uninstalling the package and using alternative solutions until a secure version is available.

Vulert uses package-lock.json to monitor and alert in real-time for open-source vulnerabilities, ensuring your application remains secure.

How To Fix

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

npm uninstall simple-web-app-package

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 →

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →
Help improve this record
Report an issue or send feedback