6
votes
2answers
484 views

Modern, security-conscious, PHP book?

I posted this on StackOverflow and they redirected me here. Sorry if this isn't the correct area! After creating a simple login system and trying to protect it against things like SQL injection, ...
4
votes
2answers
1k views

Are PHP Sessions based on cookies or a cookie-IP pair?

I have a PHP website and my question is: If someone manages to steal my users' cookies via an XSS attack, is it enough for him to be identified as the user? Or does his IP also have to be the same as ...
3
votes
3answers
1k views

Altering a $_SESSION variable in PHP via XSS?

Not sure if what I'm saying makes sense... but is it possible for me to alter a $_SESSION variable from outside the target PHP script? One of our scripts uses a $_SESSION variable and I'm not sure if ...