December 2018
Beginner to intermediate
796 pages
19h 54m
English
Content preview from Learn Web Development with Python
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Where Django might not help
Django can prevent 80 percent of XSS attacks through auto-escaping in templates. For the remaining scenarios, you must take care to do the following tasks:
- Quote all HTML attributes, for example, replace <a href={{link}}> with <a href="{{link}}">
- Escape dynamic data in CSS or JavaScript using custom methods
- Validate all URLs, especially against unsafe protocols such as JavaScript
- Avoid client-side XSS (also, known as DOM-based XSS)
As a general rule against XSS, I suggest filter on input and escape on output. Make sure that you strictly validate and sanitize (filter) any data that comes in and transform (escape) it immediately before sending it to the user—specifically, if you need to support the user input with ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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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