A WAF Bypass Masterclass tweet by @coffinxp7 discusses the use of SQLMap with Proxychains and Tamper Scripts to bypass Cloudflare's WAF. This technique leverages advanced SQL injection methods to evade the security mechanisms in place. It is crucial for organizations using Cloudflare to be aware of such bypass methods to enhance their WAF protection. For detailed technical information and precautions, refer to the tweet linked above.