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MediumWeb Security

Overview

I am a beginner developer and I have created a web application that allows users to change the background and text colors of a page. Those simple apps are not vulnerable to any attacks, right?

Lab Details

Prerequisites & Requirements

  • Basic knowledge of Node.js and web applications
  • Understanding of HTTP requests and responses
  • Familiarity with server-side vulnerabilities
  • Knowledge of prototype pollution concepts
  • Understanding of blind RCE exploitation techniques

What will you learn?

  • How to analyze Node.js applications for security vulnerabilities
  • Understanding prototype pollution in JavaScript
  • Exploiting vulnerable dependencies in web applications
  • Code injection techniques through property manipulation
  • Blind RCE exploitation using out-of-band techniques

Tools

  • Web browser for initial reconnaissance
  • Burp Suite or similar proxy tool for request manipulation
  • Node.js console for testing payloads
  • Text editor for source code analysis
  • Webhook service (like webhook.site) for blind RCE exploitation

Job Positions

Ethical Hacker

Tags

RcePrototype PollutionJavascriptCommand InjectionSource Code Review