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Hey there!😁

I opened Burp. It crashed.

I reopened Burp. The app logged me out.

I sighed, took a sip of coffee ☕, and questioned my life choices — because somehow, while I was hunting bugs… the cache was hunting users instead.

And it was doing a damn good job.

🎯 The Setup: Mass Recon Before the Magic

This didn’t start with a payload. It started with boredom and discipline — the two most dangerous tools in bug bounty.

I was doing large-scale recon on a production domain sitting behind a well-known CDN. Nothing fancy:

• Collecting historical URLs (Wayback, GAU, Katana)
• Extracting parameter patterns from JS files
• Mapping cache behavior using response headers

One response header quietly whispered danger:

X-Cache: HIT
X-Cacheable: YES
Vary…