CBX's Mythic XSS Lab

Setup

1. Clone or copy this folder to Termux: cp -r my-server ~/my-server

2. Run with Python: cd ~/my-server && python3 -m http.server 8080

3. Visit: http://localhost:8080

Structure

• index.html → Main lab interface
• style.css → Glitchy neon styling
• logic.js → Payload engine
• assets/ → Optional logo or badge

Challenge Flow

• Step 1: Basic <script> alert
• Step 2: Image error handler
• Step 3: SVG loader
• Step 4: iframe JS URI
• Step 5: body onload
• Step 6: input autofocus

More steps can be added with mutation, encoding, and filter bypass.