Course

Cross-Site Scripting

This course introduces cross-site scripting vulnerabilities, their exploitation and possible mitigations.

Course description

Cross-site scripting (XSS) vulnerabilities are commonly underrated despite being the most common source of bug bounty payouts. This course describes the different types of XSS vulnerabilities, how to identify and mitigate them, and how they can be exploited to create big-name breaches like the ones pulled off by the Magecart Group.

Syllabus

Introduction to Cross-Site Scripting

Video — 00:01:09

This video provides an introduction to the cross-site scripting course.

Introduction to Web Applications

Video — 00:05:20

This video covers the fundamentals of web applications.

Cross-Site Scripting Vulnerabilities

Video — 00:04:02

This video describes how cross-site scripting vulnerabilities can make an application vulnerable to attack.

Cross-Site Scripting Exploitation

Video — 00:07:10

This video describes how cross-site scripting vulnerabilities can be exploited by an attacker.

Cross-Site Scripting Case Study

Video — 00:04:41

This video describes a case study of an application containing a cross-site scripting vulnerability.

Cross-Site Scripting Mitigations

Video — 00:05:15

This video describes mitigations for cross-site scripting vulnerabilities.

Cross-Site Scripting Demo

Video — 00:03:42

This video demonstrates exploitation of a cross-site scripting vulnerability.

Meet the author

Howard Poston is a copywriter, author, and course developer with experience in cybersecurity and blockchain security, cryptography, and malware analysis. He has an MS in Cyber Operations, a decade of experience in cybersecurity, and over five years of experience as a freelance consultant providing training and content creation for cyber and blockchain security. He is also the creator of over a dozen cybersecurity courses, has authored two books, and has spoken at numerous cybersecurity conferences. He can be reached by email at howard@howardposton.com or via his website at https://www.howardposton.com.

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