How I bypassed Cloudflare's SQL Injection filter

In late 2018 I was tasked with performing a Web Application security assessment for a large client. After running the standard scans with automated tools, something interesting came up: a possible SQL injection which couldn’t be exploited using the tool. The reason: Cloudflare’s WAF and more specifically its SQL Injection filter.

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Author's profile picture George Skouroupathis on Web