Sniffing Browser History with CSS
Posted by Brendon on June 20th, 2009 | 16 comments
Have a look at this page: http://making-the-web.com/misc/sites-you-visit/nojs/. It will fairly quickly and effectively generate a list of sites that you have visited.
This proof of concept demonstrates how basic logic in CSS (Cascading Style Sheets) can be used to query a browser to whether a visitor has visited another web page. More generally, it shows that even simple logic in technology has the possibility of being exploited. Although the data used in this example seems rather unimportant, when used to profile a user’s likes and dislikes, for example, it quickly turns from “data” to personal information. READ MORE