WordPress Qwiz Online Quizzes And Flashcards 3.36 Cross Site Scripting

WordPress Qwiz Online Quizzes and Flashcards plugin version 3.36 suffers from a cross site scripting vulnerability.

MD5 | 43cfec9d6bcd3914fe0fcd5cab321229

Class Input Validation Error
Remote Yes

Credit Ricardo Sanchez
Vulnerable Qwiz online quizzes and flashcards 3.36

Qwiz online quizzes and flashcards is prone to a reflected 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 value url is not filter correctly:

Demo Request GET:

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