Stored XSS in wis.pr

Hi, I detected a Stored XSS in wis.pr. These are the steps to reproduce the bug: 1. Create a new group named: Test>"<script>alert('test');</script> 2. Copy the sharing URL (http://wis.pr/*****). 3. Open this URL in a browser. Please find the attached screenshots. Fix: Sanitize the output in twitter:description meta. Please find attached the screenshot named "fix.jpg". Don't hesitate to contact me if you need further details.