HELLO v3!!!

app/finders/users/oembed_api.rb

@@ -0,0 +1,49 @@
+module WPScan
+  module Finders
+    module Users
+      # Since WP 4.4, the oembed API can disclose a user
+      # https://github.com/wpscanteam/wpscan/issues/1049
+      class OembedApi < CMSScanner::Finders::Finder
+        # @param [ Hash ] opts
+        #
+        # @return [ Array<User> ]
+        def passive(_opts = {})
+          # TODO: get the api_url from the Homepage and query it if present,
+          # then discard the aggressive check if same/similar URL
+        end
+
+        # @param [ Hash ] opts
+        #
+        # TODO: make this code pretty :x
+        #
+        # @return [ Array<User> ]
+        def aggressive(_opts = {})
+          found        = []
+          found_by_msg = 'Oembed API - %s (Aggressive Detection)'
+
+          oembed_data = JSON.parse(Browser.get(api_url).body)
+
+          if oembed_data['author_url'] =~ %r{/author/([^/]+)/?\z}
+            details = [Regexp.last_match[1], 'Author URL', 90]
+          elsif oembed_data['author_name'] && !oembed_data['author_name'].empty?
+            details = [oembed_data['author_name'].delete(' '), 'Author Name', 70]
+          end
+
+          return unless details
+
+          found << CMSScanner::User.new(details[0],
+                                        found_by: format(found_by_msg, details[1]),
+                                        confidence: details[2],
+                                        interesting_entries: [api_url])
+        rescue JSON::ParserError
+          found
+        end
+
+        # @return [ String ] The URL of the API listing the Users
+        def api_url
+          @api_url ||= target.url("wp-json/oembed/1.0/embed?url=#{target.url}&format=json")
+        end
+      end
+    end
+  end
+end