Echo, Echo, Echo... Back Help Me! Hints and Videos HTML Injection (HTMLi)JavaScript Validation BypassCommand Injection (CMDi)Method TamperingApplication Log InjectionUsing Burp-SuiteUsing OWASP Zed Attack Proxy (ZAP)Cross-site Scripting (XSS)Cross-site Scripting with BeEF Framework Error: Invalid Input Enter message to echo Message