updated CVE and OSVDB wikka_spam_exec references

Author: sput-nick

modules/exploits/multi/http/wikka_spam_exec.rb

@@ -33,8 +33,8 @@ def initialize(info={})
 				],
 			'References'     =>
 				[
-					['CVE', '2011-4449'],
-					['OSVDB', '77391'],
+					['CVE', '2011-4451'],
+					['OSVDB', '77393'],
 					['EDB', '18177'],
 					['URL', 'http://wush.net/trac/wikka/ticket/1098']
 				],
@@ -232,4 +232,4 @@ def exploit
 
 Open wikka.config.php, do:
 'spam_logging' => '1'
-=end
+=end