Malicious Code Injection in wqajsn-devapp: A Threat to npm Ecosystem

wqajsn-devapp Updated 18 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-111034: Malicious code in wqajsn-devapp (npm). Affected versions are not published. 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 package wqajsn-devapp is part of the npm ecosystem, which is widely used for JavaScript package management. This package is associated with the tea.xyz token reward campaign, which has been linked to a series of malicious activities aimed at inflating developer reputation scores through automated publishing of derivative packages. The vulnerability in this package allows for the modification of critical files, leading to potential security risks for developers and users alike.

Vulnerability Detail

The vulnerability originates from the malicious intent behind the wqajsn-devapp package, which contains scripts designed to automatically generate and publish derivative packages with randomized names. These scripts modify the package.json file to remove private flags, change version numbers, and continuously republish variants, thereby polluting the npm registry. This can lead to a compromised development environment, where developers unknowingly integrate malicious code into their applications, posing significant security risks.

How To Fix

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

npm uninstall wqajsn-devapp

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 wqajsn-devapp package from your project by executing the following command: npm uninstall wqajsn-devapp. This will prevent any malicious code from being executed until a secure version is available.

Conclusion

The wqajsn-devapp package poses a significant threat due to its malicious code that modifies critical files and repopulates the npm registry with harmful variants. Developers must take immediate action to update or remove this package to safeguard their applications. Utilizing tools like Vulert can enhance security by providing real-time monitoring for vulnerabilities.

See every vulnerability recorded for wqajsn-devapp →

Share this vulnerability

FAQ

The primary risk is the potential for malicious code to be injected into your application, which can compromise security and lead to unauthorized access or data breaches.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. By simply uploading your package-lock.json file, you can check for vulnerabilities without needing to install any software.

If immediate updates are not possible, consider removing the package from your project as a temporary measure to mitigate risks.

Yes, tools like Vulert can help monitor your dependencies for vulnerabilities and alert you in real-time, ensuring you stay informed about potential risks.

The npm registry is a central repository for JavaScript packages. Malicious packages like wqajsn-devapp can pollute this registry, making it crucial for developers to verify the integrity of the packages they use.

How To Fix

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

npm uninstall wqajsn-devapp

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