0
votes
5answers
219 views

Are all URL shorteners unsecure/vulnerable?

The OWASP state that open redirect is a vulnerability: An open redirect is an application that takes a parameter and redirects a user to the parameter value without any validation. This ...
4
votes
2answers
250 views

XSS when <, > and " are escaped

I'm pentesting a website that has a reflected XSS, or at least a vector for a reflection, but the issue is the following : It escapes <, >, " to their URL entities (not &, ) or () You are ...
-1
votes
1answer
139 views

Cross site scripting in url? [duplicate]

I currently have a xss problem in this site. https://bbcpanningen.cupweb6.nl:1311/servlet/OMSALogin?msgStatus="><script>alert("hello") </script> But I don't understand how an ...
0
votes
3answers
325 views

CSRF possible if params are not passed through query string?

I was reading up on OWASP's page on CSRF and in their example they use a request where the sensitive parameters are stored in the query string: ...
7
votes
5answers
506 views

How do small businesses handle web app security?

Everything on Owasp's top 10 list, how do current small businesses (< 1000 employees) handle web application security, along with mobile security of their applications? Do they care about info/app ...
6
votes
3answers
172 views

What indicators did OWASP use to end up with OWASP Top 10?

I was asked by a student how OWASP Top 10 are ranked, based on which indicators: is it severity? ease of exploit? ease of implementing their countermeasures? ... Knowing that each of these ...
0
votes
4answers
141 views

Safely changing text links to HTML anchors

I'm trying to change text links to real anchors. So for example I want to change http://example.com to <a href="http://example.com">http://example.com</a>. Since this is a user given ...
1
vote
2answers
2k views

Should CSRF 'Double Submit Cookie' technique have a different seed value for the cookie versus the HTTP POST?

I'm reading about the OWASP double submit cookies method of protection and there it states that the cookie value between the header and form should match. That seems to be somewhat of a risk, as the ...
60
votes
6answers
7k views

Can anybody explain XSS? [closed]

I work programming Enterprise Java applications and do very little web development in 2002. I'm interested in security and like to read articles about it. However, I never fully understand how XSS ...
10
votes
7answers
1k views

Whitelisting DOM elements to defeat XSS

As we know, developers are responsible for correctly escaping/validating data provided by the user before rendering or storing them. However, we must agree that it's relatively easy to forget a single ...
16
votes
4answers
9k views

What is the correct way to implement anti-CSRF form tokens?

I am fully aware of CSRF and have already implemented some safe forms, but I have never been happy with the results yet. I've created tokens as a md5 of username, form info and a salt and stored it ...