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Life Lesson #212: Never underestimate the power of a single character. Especially when it’s in a regex.

Honestly, I’ve made typos in job applications, slipped in the DMs with the wrong emoji, and once sent a password to my mom by mistake. But nothing — and I mean nothing — beats the chaos one little dot . unleashed in this bug bounty adventure. 🫠

This is the story of how a weakly written regular expression became my golden ticket to internal access, sensitive data, and a pretty decent payout. So buckle up, grab your popcorn 🍿, and let’s dive into the wonderfully chaotic world of regex gone wrong.

Like every curious hacker soul, I was casually poking around the subdomains of a private program when I stumbled upon something weird: a login portal for a staging environment.