Cross-Site Scripting (XSS) Courses and Certifications

NahamSec

Cross-Site Scripting (XSS) Explained - How to Bug Bounty

Comprehensive guide to Cross-Site Scripting (XSS) vulnerabilities, covering detection, exploitation, and mitigation strategies for ethical hackers and bug bounty hunters.

• YouTube
• 15 minutes
• Self-Paced
• Free Video

NahamSec

The Beginner's Guide to Blind XSS - Cross-Site Scripting

Learn to identify and exploit Blind XSS vulnerabilities, a critical web security flaw. Discover tools like XSS Hunter and gain practical skills for ethical hacking and bug bounty hunting.

• YouTube
• 21 minutes
• Self-Paced
• Free Video

NahamSec

Lessons Learned From $250,000 in Blind Cross Site Scripting - Blind XSS

Uncover valuable insights from earning $250,000 through blind XSS vulnerabilities and learn proven techniques for finding these high-impact security flaws in web applications.

• YouTube
• 10 minutes
• Self-Paced
• Free Video

Website Hacking / Penetration Testing

22764 ratings at Udemy

Hack websites and web applications like black hat hackers and secure them like experts.

• Udemy
• 10 hours 17 minutes
• Self-Paced
• Paid Course

NDC Conferences

eXential XSS - Cross Site Scripting

Comprehensive exploration of XSS attacks: types, prevention methods, and potential impacts. Learn to secure websites and applications against this common yet devastating vulnerability.

• YouTube
• 1 hour 2 minutes
• Self-Paced
• Conference Talk

Security BSides London

Cross Site Scripting (XSS) in 2023 - The Mitigated Unmitigated Vulnerability

Explore the current state of Cross-Site Scripting (XSS) vulnerabilities, their impact, and mitigation strategies in modern web security landscape.

• YouTube
• 21 minutes
• Self-Paced
• Free Video

A03: Injection

Explores SQL, XSS, and command injection attacks in a pastebin application, then applies parameterization, sanitization, and secure execution techniques.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

Secure Input Validation in Web Applications

Learn to secure web applications through an offense-defense approach to input validation, XSS bypasses, sanitization, and server-side validation.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

A03: Injection

Explores SQL, XSS, and command injection in a pastebin application through hands-on exploitation and layered defensive techniques.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

A03: Injection

Learn to exploit and prevent injection flaws in SQL queries, HTML, and system commands using validation, sanitization, parameterized queries, and safe execution.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

Ethical Hacking 101: Web App Penetration Testing - a full course for beginners

9 ratings

Learn web application penetration testing from beginner to advanced. This course is perfect for people who are interested in cybersecurity or ethical hacking.

• freeCodeCamp
• 2-3 hours
• Self-Paced
• Free Video

Web Hacking for Beginners

2195 ratings at Udemy

Exploit and secure websites: intercept HTTP with Wireshark, find SQL injection, XSS and CSRF flaws, hack WordPress with WPScan, and hook victims with BeEF.

• Udemy
• 1 hour 4 minutes
• Self-Paced
• Paid Course

Ethical Hacking / Penetesting & Bug Bounty Hunting 2025

2255 ratings at Udemy

Complete Practical Course on Ethical Hacking, Penetration Testing and Bug Bounty Hunting with Live Attacks 2025

• Udemy
• 11 hours 22 minutes
• Self-Paced
• Paid Course

Infosec

JavaScript Security Part 1

37 ratings at Coursera

This course covers XSS and Javascript Remote Code Execution and CSRF and Browser Security.

• Coursera
• 2 weeks, 2 hours a week
• Self-Paced
• Paid Course

Infosec

Previous OWASP Risks

23 ratings at Coursera

Examine three risks folded into broader categories in the OWASP Top Ten 2021: XML External Entities (XXE), Cross-Site Scripting, and Insecure Deserialization.

• Coursera
• 4 weeks, 1 hour a week
• Self-Paced
• Paid Course