pentester.land· Sep 21, 2022· by Sam Curry (@samwcyo)

Exploiting Web3’s Hidden Attack Surface: Universal XSS on Netlify’s Next.js Library

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Target Program: Netlify, Gemini, PancakeSwap, Docusign, Moonpay, Celo
🎯 Vulnerability: Server-Side Request Forgery (SSRF)
💡 Defense Fix: Enforce URL whitelisting, block private IP ranges (10.0.0.0/8, 169.254.169.254), and mandate AWS IMDSv2 headers.
#Universal XSS#SSRF#Open redirect#Web cache poisoning