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1
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0answers
31 views

Is it dangerous to allow users to edit the CSS styles? [duplicate]

I'm working on a blog site, and I plan to allow bloggers to completely edit the style sheet for their own blogs I assume this isn't dangerous, since CSS is client side, but I thought it'd be best to ...
1
vote
3answers
171 views

Is a normal user allowed to view site's CSS sheet

I am looking at IDS (intrusion detection sensor) logs where some one tired to get a .css sheet through a URL. Ex: www.site.com/CSS/Main.css - which throws a CSS sheet in the form of text file. Is ...
1
vote
3answers
152 views

CAPTCHAs: How does simple math in cleartext prove you're human?

I'm intrigued that many sites use seemingly random numbers with a random operator as a security check to validate that you're not a bot. Forgive my ignorance in captcha technology, but what is ...
5
votes
3answers
1k views

Can CSS file contain malware? [duplicate]

I know that javascript files can contain malware. However, I am not so sure about CSS files. They only affect how the page is displayed, right? I know that css files can be used for clickjacking but I ...
-3
votes
1answer
86 views

Feedback Form Exploitation possible or not? [closed]

how an attacker can exploit the below provided feedback form in a company website containing the company’s domain? the feedback form does not store data into a database. The server side code only ...
1
vote
2answers
207 views

Identify users accessing hidden link in a website

Recently I put some hidden links in a web site in order to trap web crawlers. (Used CSS visibility hidden style in order to avoid human users accessing it). Any way, I found that there were plenty of ...
1
vote
1answer
2k views

Calling JavaScript functions from within a Style tag XSS

I've identified an XSS in a client's application where they've failed to properly sanitize a variable. The application, however, is written in ASP.NET 2.x and they have request validation turned on. ...
4
votes
2answers
129 views

To What Extent does an Attacker Have Access to the Browser History through the CSS Pseudoclass :visited Styles?

I have read this article on how a scripted web page is able to obtain the visited history of a user browsing the page. However, I can't find any clear information in the article describing the extent ...
22
votes
1answer
705 views

CSS based attacks

I'm currently working on a plugin for a CMS which should allow content editors to write inline style tags. I'm looking for advice / links on how inline styles could be abused. Part of the reason ...