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Security researcher reverse-engineered Google Maps' custom text-based Protobuf URL encoding scheme (the exclamation-point separated parameters) to discover an XSS vulnerability, earning a $5,000 bug bounty by analyzing minified JavaScript and reconstructing the serialization protocol.

Google Maps Google Street View Marin Moulinier Closure Compiler Protobuf WebGL
medium.com · devanshbatham/Awesome-Bugbounty-Writeups · 22 hours ago · details