Bugfix for issue 7 - Error when the wordpress version is unknown

README.md

@@ -85,6 +85,6 @@ python main.py -u "http://127.0.0.1/wordpress/" --fuzz
 ![alt tag](https://github.com/swisskyrepo/Wordpresscan/blob/master/screens/Version%204.4.7.png?raw=true)
 
 
-## Credits and Contributorm
+## Credits and Contributors
 * Original idea and script from [WPScan Team](https://wpscan.org/)
 * Many PR and bugfixes from [bl4de](https://github.com/bl4de)

engine/core.py

@@ -138,6 +138,19 @@ def is_lower(str_one, str_two, equal):
   sum_one = 0
   sum_two = 0
 
+  # Handle the NoneType
+  if str_one == None:
+      if str_two == None:
+          return False
+      else:
+          return True
+
+  if str_two == None:
+      if str_one == None:
+          return False
+      else:
+          return True
+
   # Fix for X.X <= X.X.X and X.X.X <= X.X
   if len(str_one) < 5:
     str_one += '.0'

engine/scan.py

@@ -107,6 +107,12 @@ class Scan_Engine:
 
 		# Try to get a close result if the version is not in the list
 		version = wordpress.version
+
+		# This version doesn't  exist
+		if wordpress.version not in data:
+			print warning("The version %s isn't in the database - Please try the option --update" % (wordpress.version))
+			return
+
 		if data[wordpress.version]["vulnerabilities"] == []:
 			versions = data.keys()
 			for v in versions: