Full Path Disclosure xGuestBook v1.02

[dicomdk () gmail com]

###################Dicomdk####################
Full Path Disclosure xGuestBook v1.02        #
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http://xatrix.xa.funpic.de/xguestbook2/      #
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By : X-boy                                   #
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http://[HOST]/post.php

Test : http://xatrix.xa.funpic.de/xguestbook2/post.php

Result :
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Notice: Undefined index: user in [site]\post.php on line 15

Notice: Undefined index: mail in [site]\post.php on line 16

Notice: Undefined index: p in [site]\post.php on line 17

Notice: Undefined index: url in [site]\post.php on line 19

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Patch :                                      #
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-Open post.php 
-Find : 

             $user  = HTMLSPECIALCHARS(trim($_POST['user']));
             $email = HTMLSPECIALCHARS(trim($_POST['mail']));
             $post  = nl2br(HTMLSPECIALCHARS($_POST['p']));
             $post  = str_replace("  ","  ",$post);
             $url   = HTMLSPECIALCHARS(trim($_POST['url']));
             $date  = date("Y-m-d g:i:s");
                         
-Change to :

if (isset($_POST['user']) AND isset($_POST['mail']) AND isset($_POST['p']) AND isset($_POST['url']))
{
             $user  = HTMLSPECIALCHARS(trim($_POST['user']));
             $email = HTMLSPECIALCHARS(trim($_POST['mail']));
             $post  = nl2br(HTMLSPECIALCHARS($_POST['p']));
             $post  = str_replace("  ","  ",$post);
             $url   = HTMLSPECIALCHARS(trim($_POST['url']));
             $date  = date("Y-m-d g:i:s");
}

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