October 2016
Intermediate to advanced
298 pages
5h 49m
English
Content preview from Mastering Modern Web Penetration TestingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 3. Cross-Site Scripting
I believe XSS or cross-site scripting is the most popular web vulnerability, if not the most exploitable one. Almost every website had suffered in one or more ways from XSS. From social networking websites such as Facebook and MySpace to financial websites such as PayPal that handles thousands of dollars every day, everyone has had a run-in with XSS. XSS typically happens to be a user-supplied input (for example, text, details, messages, and so on), and it is either reflected by the page instantaneously, known as reflected XSS or when the user supplied inputs (such as messages, user profile details, and so on) that are saved into a database and then presented back on the page at a point in time and stored; the latter, ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.