fix readme detection bug

Author: firefart

lib/msf/http/wordpress/version.rb

@@ -109,8 +109,10 @@ def check_version_from_readme(type, name, fixed_version = nil, vuln_introduced_v
 
     readmes = ['readme.txt', 'Readme.txt', 'README.txt']
 
-    readmes.each do |r|
-      readme_url = normalize_uri(target_uri.path, wp_content_dir, folder, name, 'readme.txt')
+    res = nil
+    readmes.each do |readme_name|
+      readme_url = normalize_uri(target_uri.path, wp_content_dir, folder, name, readme_name)
+      vprint_status("#{peer} - Checking #{readme_url}")
       res = send_request_cgi(
         'uri'    => readme_url,
         'method' => 'GET'