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Hey there!😁

You know that feeling when you install a new NPM package and think, “Wow, my app is about to be 10% cooler”? Yeah, turns out it was also 100% more compromised. 😅

I was casually debugging a UI issue and ended up finding enough internal API keys to start my own fake startup. Not even kidding. So here’s how I discovered a $erious vuln sitting quietly in a package — gift-wrapped and ready to pwn.

Like every bug bounty hunter with trust issues, I was reconning public assets of a mid-sized SaaS company. The front-end looked like a React lover’s dream. Clean, snappy, and full of juicy third-party packages.

Using my favorite mass recon workflow:

subfinder -d target.com | httpx -mc 200 -title

I landed on a staging site:

staging.target-assets-cdn.com