Joomla Kubik-Rubik SIGE 3.2.3 Cross Site Scripting

`# Exploit Title: Joomla! Component SIGE version <= 3.2.3 Cross-site Scripting  
# Date: 15-02-2018  
# Software Link: https://downloads.kubik-rubik.de/joomla-extensions/plg_sige_v3.2.3.zip  
# Exploit Author: Alwin Peppels  
# Website: www.onvio.nl  
# CVE: CVE-2017-16356  
# Category: webapps  
  
1. Description  
Kubik-Rubik Simple Image Gallery Extended (SIGE) contains an XSS in the  
'print.php' file.  
Insufficient sanitization of the 'caption' URL parameter allows injection  
of Javascript into the page.  
In versions <= 3.2.0 the 'name' and 'img' parameters are vulnerable as well.  
Google dork: inurl:plugin_sige/print.php  
  
The version of the SIGE plugin can be determined with this file:  
[JOOMLA]/plugins/content/sige/sige.xml  
  
2. Proof of Concept  
  
  
[JOOMLA]/plugins/content/sige/plugin_sige/print.php?img=x&caption=<img%20src=x%20onerror=alert(%27XSS%27)>  
  
3. Solution:  
  
Update to version 3.3.0  
https://downloads.kubik-rubik.de/joomla-extensions/plg_sige_v3.3.0.zip  
  
`