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06-10-2008, 10:32 AM

Marco van Herwaarden Marco van Herwaarden is offline

Join Date: Jul 2004

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The first i would suggest is to read up on the articles about creating secure scripts (see the articles section).

1 example of vulnerable code:

PHP Code:


			
$WebsiteUsername = $_POST['Website_Username'];
.......
if (isset($WebsiteUsername) && $WebsiteUsername != NULL && $UserVerify == "Verify_That")
{
    $CustomerInfoSQL = "SELECT username FROM user WHERE username='$WebsiteUsername'";

$WebsiteUsername is uncleaned user input. Should at least escaped before used in a query.

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