Learn how to find and exploit a vulnerability that is one of the most common vulnerabilities, easy to find, and yet very dangerous. Hackerone ranked XSS the #1 bug bounty vulnerability of 2021.

XSS (Cross-Site Scripting) vulnerabilities are both common and serious. For example, HackerOne has listed XSS as the number one vulnerability on their top 10 vulnerabilities list.

Vulnerability management is therefore extremely important, whether you are a penetration tester, a security consultant, a developer, or a bounty hunter!

Fundamentals

What are Cross-Site Scripting Vulnerabilities?

Intro

Stored XSS and stealing session cookies

Bleeding of cookies over the network

WYSIWYG XSS and SoMe worms

XSS in JavaScript strings 1

XSS in JavaScript strings 2

XSS in file uploads - HTML

Practising

XSS vs HttpOnly

XSS in HTML attributes

XSS in file uploads - SVG

XSS in JavaScript strings 3

The challenges

Avoiding XSS vulnerabilities

Defence

XSS (Cross-Site Scripting)

XSS (Cross-Site Scripting)

Recommended before this course:

Ready to become an ethical hacker?
Start today.

XSS (Cross-Site Scripting)

Ready to become an ethical hacker?Start today.

Ready to become an ethical hacker?
Start today.