From 167e33dac0e98e59e6ecb4fc0ee701152f4eaba3 Mon Sep 17 00:00:00 2001
From: Alexandre ZANNI <16578570+noraj@users.noreply.github.com>
Date: Fri, 25 Jun 2021 17:09:20 +0200
Subject: [PATCH] safe navigation operator on res

---
 .../unix/webapp/wp_wpdiscuz_unauthenticated_file_upload.rb      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/exploits/unix/webapp/wp_wpdiscuz_unauthenticated_file_upload.rb b/modules/exploits/unix/webapp/wp_wpdiscuz_unauthenticated_file_upload.rb
index 8ab6f1fe4f..3a16bb2eec 100644
--- a/modules/exploits/unix/webapp/wp_wpdiscuz_unauthenticated_file_upload.rb
+++ b/modules/exploits/unix/webapp/wp_wpdiscuz_unauthenticated_file_upload.rb
@@ -69,7 +69,7 @@ class MetasploitModule < Msf::Exploit::Remote
 
   def find_wmusecurity_id
     res = send_request_cgi({ 'uri' => normalize_uri(target_uri.path, blogpath) })
-    wmusecurity_id = res.body.match(/wmuSecurity":"(\w+)/)&.captures
+    wmusecurity_id = res&.body.match(/wmuSecurity":"(\w+)/)&.captures
     unless wmusecurity_id
       fail_with(Failure::NotFound, 'Failed to retrieve the wmusecurity id')
     end