You're reading from Practical Web Penetration Testing

Product typeBook

Published inJun 2018

PublisherPackt

ISBN-139781788624039

Edition1st Edition

Tools

Kali Linux

Concepts

Cybersecurity

Author (1)

Gus Khawaja

Cross-Site Scripting

Cross-Site Scripting (XSS), is exploited when the attacker can successfully execute any type of script (for example, JavaScript) on the victim's browser. These types of flaws exist because the developer did not validate the request or correctly encoded the response of the application. JavaScript is not the only script language used for XSS but it is the most common (in fact it's my favorite); attackers sometimes use scripting languages such as VBScript, ActiveX, Flash, and many more.

XSS is very popular and I encounter it every day while testing web applications. Every time I see a message displayed on the page that reflects a user input or behavior, then most probably it is vulnerable to XSS. But don't worry, with experience and practice, things will become more obvious to you as well. There are three types of XSS attacks: Stored, Reflected...

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Practical Web Penetration Testing

Published in: Jun 2018Publisher: PacktISBN-13: 9781788624039

Author (1)

Gus Khawaja

Gus Khawaja holds a bachelor's degree in computer science. He specializes in IT security and ethical hacking. He is an author and shares his passion with millions of viewers around the world using his online courses. He also works as a cybersecurity consultant in Montreal, Canada. After many years of experience in programming, he turned his attention to cybersecurity and the importance that security brings to this minefield. His passion for the ethical hacking mixed with his background in programming and IT makes him a wise swiss-knife professional in the computer science domain.
Read more about Gus Khawaja

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