1) 0
2) unable to access the page
3) 1
4) isActive 1
userInfo This+cookie+could+store+sensitive+data
5) It lets me through like I entered the password
6) my comment showed up with the tags visible
the script was posted
7) cookies can be checked by malicious sites/code. having sensitive data in them leaves the vulnerable to attack
8) Never trust the User, and always sanitize the data