Huntress CTF 2025: Web Challenges Writeup
The Huntress CTF 2025 presented some fascinating web security challenges that tested various attack vectors and exploitation techniques. In this writeup, I’ll walk you through three compelling web challenges: ARIKA, Sigma Linter, Emotional, and Flag Checker. Each challenge showcased different vulnerability classes — from regex bypass and command injection to YAML deserialization and server-side template injection, and timing attacks. Day 04 Challenge: