festagro.org XSS vulnerability

Vulnerable URL: http://festagro.org/wp-content/themes/themerush/inc/plugins/shortcode/shortcodepopup.php?get=' Details: Description| Value ---|--- Patched:| No Latest check for patch:| 28.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 23102320 VIP website...