TryHackMe : Umbrella Writeup
Introduction Umbrella is a medium-difficulty TryHackMe box built around a leaky Docker registry, an exposed Node.js time-tracking application, and a classic writable-log privilege escalation. The path
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Articles tagged with #expressjs
Introduction Umbrella is a medium-difficulty TryHackMe box built around a leaky Docker registry, an exposed Node.js time-tracking application, and a classic writable-log privilege escalation. The path
TL;DR Ponzi Portfolio is a Node.js/Express "staking rewards" web app with a 24-hour cooldown on claiming a reward. The /claim endpoint has a classic check-then-act race condition: it checks whether th
TL;DR Byte Lotus Poolside is a Node.js/Express booking app. A NoSQL injection in the login endpoint bypasses authentication entirely and lands directly in the staff role. The staff console's booking-c

Executive Summary Lovely Login presents a minimal "Secure Database" login form backed by an Express API at /login. The obvious attack surface — NoSQL operator injection on username/password — turned o
