add cve reference

Author: busterb

modules/exploits/linux/http/wd_mycloud_multiupload_upload.rb

@@ -30,7 +30,8 @@ def initialize(info={})
         [
           ['URL', 'https://www.exploitee.rs/index.php/Western_Digital_MyCloud#.2Fjquery.2Fuploader.2Fmulti_uploadify.php_.28added_08.2F06.2F2017.29'],
           ['URL', 'https://download.exploitee.rs/file/generic/Exploiteers-DEFCON25.pdf'],
-          ['URL', 'https://www.youtube.com/watch?v=EO_49pfmA5A']
+          ['URL', 'https://www.youtube.com/watch?v=EO_49pfmA5A'],
+          ['CVE', '2017-17560']
         ],
       'Platform'       => 'php',
       'Arch'           => ARCH_PHP,