How can I prevent an XSS injection in my website?

Question

Possible Duplicate:
How to prevent XSS with HTML/PHP?

I know that in a lot of website, if you enter :
<script>alert("xss");</script>
The website will display an error.
Exemple : http://www.igossips.com

Enter the preceding code in the search box.
The website displays a lot of the code.

How can I prevent this to happen on my own website ??

Please see the following question: http://stackoverflow.com/questions/1996122/how-to-prevent-xss-with-html-php — JSK NS, Sep 14 '12 at 18:41

score 1 · Accepted Answer · answered Sep 14 '12 at 18:54

1

Here is a good overview on XSS prevention:

answered Sep 14 '12 at 18:54

Mike Brant

Your answer is helpful, but [you can make it better](http://meta.stackexchange.com/q/8259) by including a summary or relevant portions of the pages you're linking to. This will also help your answer remain great even if the links you included break in the future. – eggyal Sep 14 '12 at 20:28

1 Answers1