8
votes
4answers
292 views

Preventing insecure webapp on subdomain compromise security of main webapp

I want your help on getting more concrete information on a type of vulnerability that I remember vaguely. I vaguely remember hearing about a year ago that if you set up a webapp on a subdomain, and ...
3
votes
2answers
799 views

Why are CSRF tokens necessary?

It seems that the entire problem could be solved very elegantly by simply adding a new flag to the HTTP cookie specification. Similarly to how cookies flagged Secure will only be submitted by the ...