# 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= 3. Solution: Update to version 3.3.0 https://downloads.kubik-rubik.de/joomla-extensions/plg_sige_v3.3.0.zip