Re: Script ID?

On May 21, 2011, at 9:11 AM, tedd wrote:

Hi gang: Okay, so,what's the "best" (i.e., most secure) way for your script to identify itself *IF* you plan on using that information later, such as the value in an action attribute in a form? For example, I was using: $self = basename($_SERVER['SCRIPT_NAME']); <form name="my_form" action="<?php echo($self); ?>" method="post" > However, that was susceptible to XSS. http://www.mc2design.com/blog/php_self-safe-alternatives says a simple action="#" would work. But is there a better way? What would do you do solve this? Cheers, tedd --------- http://sperling.com/ --PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php

Hi, everyone. I've been following this thread, and as I am not that familiar with XSS attacks, I went searching for information about them. I did find this: https://www.owasp.org/index.php/XSS_(Cross_Site_Scripting)_Prevention_Cheat_Sheet which may help others like me begin to understand the issue. That said, I really don't understand how using something like $self=basename($_SERVER['SCRIPT_NAME']); becomes vulnerable to an XSS attack. Can someone explain to me how this works? Then I might be able to understand how to prevent it. Thanks.