How to protect yourself from XSS when you allow people to post RAW embed codes?
- by Axel
Hi.
Tumblr and other blogging websites allows people to post embeded codes of videos from youtube and all video networks.
but how they filter only the flash object code and remove any other html or scripts? and even they have an automated code that informes you this is not a valid video code.
Is this done using REGEX expressions? And Is there a PHP class to do that?
Thanks