Labs / File Upload Bypass
- Daily Challenge
- Released 07 Aug 2025
🔓 What secrets hide behind this social network's upload feature?
🎭 Test your skills against a modern social platform's avatar upload system
💀 Discover how innocent file restrictions can be cleverly circumvented
🎯 Join thousands of hackers who've mastered web shell deployment techniques
🚀 Unlock the power of file upload exploitation in realistic environments
Start Lab Environment
File Upload Bypass - Challenge Description
Challenge Overview
Welcome to SocialConnect! This challenge features a social networking platform where users can create accounts, share posts, and upload profile avatars. The platform provides a typical social media experience with user registration, login, and profile customization features.
Learning Objectives
- Understand web application security testing methodologies
- Learn about file upload functionality in web applications
- Practice security assessment techniques on realistic applications
- Develop skills in web application penetration testing
Challenge Details
The SocialConnect platform allows users to upload avatar images for their profiles. Your goal is to explore the application's security mechanisms and test the file upload functionality to discover potential vulnerabilities and retrieve the hidden flag from the server.
Technical Background
File upload functionality is a common feature in web applications that allows users to upload content such as profile pictures, documents, or media files. Testing file upload security is an important aspect of web application security assessment to ensure proper validation and handling of user-submitted content.