The tweet suggests a bypass using the etc/passwd wordlist for XSS/LFI/RFI vulnerabilities in Cloudflare/Reverse Proxy. This type of bypass could potentially bypass the WAF protection and access sensitive information or execute malicious code. It is important for security teams to be aware of such bypass techniques and enhance their WAF configurations to prevent such attacks. The tweet serves as a valuable bug bounty tip for security researchers looking to identify and report such vulnerabilities.
Check out the original tweet here: