No matter how foolproof you make, the fools keep getting smarter.

Chuck

[EMAIL PROTECTED] wrote:

Dan Anderson wrote:
>
> He is right. Although I am new to Perl, I have had some very dumb users
> break my PHP scripts by inputting things like "eighteen dollars and 0
> cents" in a form with an explicit $ sign in front.


Sometimes "dumb users" can be quite creative:

<a
href="http://sitefinder.verisign.com/lpc?url='%3E%3Cimg%20src=http://www.patrick.fm/boobies/boobies.php?text=VeriSign%3E";>I


Love VeriSign</a> (Link might contain nudity. Yes, I know it's a plain text message.)

Conclusion: *never* assume you know how the user's input looks like. Otherwise "dumb users" can make the webmasters look dumb, like with this example.



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