Re: Fwd: Parsing and using URL variables

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looks like your having fun ... but before you go building & using
something that is going to cause you major security headaches go to this
site and read, read, read:

	http://phpsec.org/

and remember NEVER TRUST USER INPUT (or data from *any* outside source); currently
your example will probably allow me to read your passwd file (I doubt
that that was your intention) ...

www.mywebsite.com?ph=U%20HAVE%20BEEN%20OWNED&pt=<script>somemeallyourcookies();</script>&cf=/etc/passwd



andrew newman wrote:
> ---------- Forwarded message ----------
> From: andrew newman <andjnewman@xxxxxxxxx>
> Date: Oct 20, 2006 2:30 PM
> Subject: Parsing and using URL variables
> To: php-general-digest@xxxxxxxxxxxxx
> 
> 
> Hello
> 
> I am very new to PHP and I am trying to parse the values of variables
> from a URL into a web page. to build a very simple CMS!
> 
> For example if the url is
> 
> www.mywebsite.com?ph=My Website&pt=Welcome Page&cf=home.htm
> 
> I then have a php file that is something like this:
> 
> <html>
> <head>
> <title>
> <?php $val = $_GET['ph']; echo $val;?>
> </title>
> </head
> <body>
> <b><?php $val = $_GET['pt']; echo $val;?></b>
> <p/>
> <?php $val = $_GET['cf'];  Include '$val'; ?>
> </body>
> </html>
> 
> Any advice would be most welcome!
> 
> Thanks Andrew
> 

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