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Photogram – Social Media Web Application (Instagram Clone)

Description: Designed and developed a full-stack social media web application named Photogram inspired by Instagram. Built using Bootstrap for responsive UI and PHP for backend logic with a custom-built architecture. Integrated features like user authentication, image sharing, likes, and comments.

Security Focus: Manually tested the application for vulnerabilities including SQL Injection, Cross-Site Scripting (XSS), and other common bugs using security testing techniques. Applied input sanitization and parameterized queries to strengthen defenses.

Tech Stack: PHP, MySQL, Bootstrap, JavaScript, HTML, CSS

Key Highlights:

Built entire application architecture from scratch using core PHP

Performed security testing and implemented mitigations

Learned secure coding and real-world application development practices

Payloads developed for Hak5 tools such as the BashBunny, USB RubberDucky, and SharkJack. CosmodiumCS has created most of this repository for community members to easily find payloads developed on the channel