fix: guard get_sqli_object JSON extraction to avoid NoMethodError

Author: Chocapikk

modules/auxiliary/gather/wp_depicter_sqli_cve_2025_2011.rb

@@ -78,10 +78,20 @@ def get_sqli_object
 
       next GET_SQLI_OBJECT_FAILED_ERROR_MSG unless res&.code == 200
 
-      extracted = res.get_json_document.dig('hits', 0, 'content', 'id')
-      next GET_SQLI_OBJECT_FAILED_ERROR_MSG if extracted.to_s.empty?
+      doc = begin
+        res.get_json_document
+      rescue StandardError
+        nil
+      end
+      value = if doc.respond_to?(:dig)
+                doc.dig('hits', 0, 'content', 'id')
+              else
+                GET_SQLI_OBJECT_FAILED_ERROR_MSG
+              end
 
-      extracted
+      next GET_SQLI_OBJECT_FAILED_ERROR_MSG if value.to_s.empty?
+
+      value
     end
   end