Solutions to algorithmic problems practiced on various competitive programming platforms

A collection of writeups for Capture The Flag challenges I have solved

An old university first-year project implementing Run-Length Encoding compression in C

Unauthenticated User Enumeration via reset_password

Reflected XSS on login redirection

Unsafe HTTP method / CSRF-adjacent issue on API secret generation

Client Side Path Traversal using activate account route

File Permissions can by bypassed using certain endpoints