web application security

Learn file upload security testing techniques, bypass validation, detect vulnerabilities, and secure web applications against file attacks.

CrtFinder extracts all subdomains from crt.sh. Perfect for recon, bug bounty, and penetration testing. Full guide with usage and examples.

Complete guide to all Google XSS Challenge levels with clear solutions, XSS examples, code snippets, and cybersecurity tips for beginners and pros.

Learn ethical hacking and penetration testing from scratch. Covers Kali Linux, SQL injection, Nmap, brute force, and web security.

XSS Payloads, simple overview Basic payload <script>alert('XSS')</script> <scr<script>ipt>alert('XSS')</scr<script>ipt> "><script>alert('XSS')</script> "><script>alert(String.fromCharCode(88,83,83))</script> Img payload <img src=x onerror=alert('XSS');> <img src=x onerror=alert('XSS')// <img...

Learn key HTML5 security practices like CSP, CORS, HTTPS, and SRI to protect your web apps from XSS, injection, and unauthorized access.

Learn practical ways to find Host Header Injection vulnerabilities using real HTTP examples. Essential guide for pentesters and bug bounty hunters.

Learn web app penetration testing using clear steps, tools, examples, and code. Explore recon, scanning, exploits, and ethical security testing methods.

Learn how attackers bypass file upload restrictions, use web shells, exploit MIME types, and hack servers. Full guide with examples and security tips.

Learn how WordPress private profile disclosure happens, common bypass methods, REST API leaks, and how to secure user data properly.

Learn smart bug bounty tips and how ASP.NET Trace.axd exposure can leak sensitive data, leading to security risks and vulnerability rewards.

Learn how XSS can execute outside the DOM using img onerror payloads, even when HTML is not inserted into the document directly.