Introduction

What is WatchJs?


WatchJs.com is an advanced platform designed for bug bounty hunters and security professionals to meticulously monitor website updates through sophisticated JavaScript analysis. The system employs a multi-step process:

  1. JavaScript Extraction: WatchJs scans target URLs and identifies all embedded JavaScript files.

  2. String Analysis: Utilizing TreeSitter, a powerful parsing tool, WatchJs extracts meaningful strings from each JavaScript file.

  3. Database Storage: These extracted strings are securely stored in a database, creating a snapshot of the website's current state.

  4. Continuous Monitoring: On subsequent scans, WatchJs compares newly extracted strings against the stored snapshot.

  5. Change Detection: If new strings are detected in any JavaScript files, WatchJs creates a detailed record highlighting these additions.

  6. Insight Generation: By analyzing these newly introduced strings, security professionals can gain valuable insights into:

    • Recently deployed features
    • New API endpoints
    • Third-party integrations
    • Potential hidden functionalities or debug modes
    • Changes in security implementations

This systematic approach enables cybersecurity experts to:

  • Stay ahead of potential vulnerabilities introduced by website updates
  • Identify new attack surfaces as they emerge
  • Understand the evolution of a website's codebase over time
  • Discover opportunities for responsible disclosure or bug bounty submissions

WatchJs.com serves as an indispensable tool in the modern security professional's arsenal, providing a streamlined way to maintain vigilance over rapidly changing web environments.

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WatchJs Process Step 1

Search watch record of urls



WatchJs Process Step 2

Watch record



WatchJs Process Step 3