WordPress: Reflected XSS on https://make.wordpress.org via 'channel' parameter

Hi there, I just found a reflected XSS on make.wordpress.org domain. steps to reproduce : 1. visit this link : https://make.wordpress.org/chat/logs?channel=16%22%3E%3Cimg%20src=x%20onerror=alertdocument.domain%3E&date=2019-07-21&nobots=1 2. xss pop up will occurs POC: see:wp reflected xss.png Not...