Css user permission

Question

I allow css user.

I take their css tab, creating a style and just pasting it.

Are there any security issues that I need to consider.

Do I need to check this css?

Thanks.

Answer 1

Yes, you need to be careful, you can take a look at them for more information:

• Ultimate XSS CSS Injection
• HTML / CSS Attachments - Primitive Code (or, What Could Be Worst of All?)