diff --git a/phpBB/includes/message_parser.php b/phpBB/includes/message_parser.php
index c6132d86d4..b3a48112ea 100644
--- a/phpBB/includes/message_parser.php
+++ b/phpBB/includes/message_parser.php
@@ -102,20 +102,22 @@ class bbcode_firstpass extends bbcode
 	/**
 	* Init bbcode data for later parsing
 	*/
-	function bbcode_init()
+	function bbcode_init($allow_custom_bbcode = true)
 	{
 		static $rowset;
 
 		// This array holds all bbcode data. BBCodes will be processed in this
 		// order, so it is important to keep [code] in first position and
 		// [quote] in second position.
+		// To parse multiline URL we enable dotall option setting only for URL text
+		// but not for link itself, thus [url][/url] is not affected.
 		$this->bbcodes = array(
 			'code'			=> array('bbcode_id' => 8,	'regexp' => array('#\[code(?:=([a-z]+))?\](.+\[/code\])#uise' => "\$this->bbcode_code('\$1', '\$2')")),
 			'quote'			=> array('bbcode_id' => 0,	'regexp' => array('#\[quote(?:="(.*?)")?\](.+)\[/quote\]#uise' => "\$this->bbcode_quote('\$0')")),
 			'attachment'	=> array('bbcode_id' => 12,	'regexp' => array('#\[attachment=([0-9]+)\](.*?)\[/attachment\]#uise' => "\$this->bbcode_attachment('\$1', '\$2')")),
 			'b'				=> array('bbcode_id' => 1,	'regexp' => array('#\[b\](.*?)\[/b\]#uise' => "\$this->bbcode_strong('\$1')")),
 			'i'				=> array('bbcode_id' => 2,	'regexp' => array('#\[i\](.*?)\[/i\]#uise' => "\$this->bbcode_italic('\$1')")),
-			'url'			=> array('bbcode_id' => 3,	'regexp' => array('#\[url(=(.*))?\](.*)\[/url\]#uiUe' => "\$this->validate_url('\$2', '\$3')")),
+			'url'			=> array('bbcode_id' => 3,	'regexp' => array('#\[url(=(.*))?\](?(1)((?s).*(?-s))|(.*))\[/url\]#uiUe' => "\$this->validate_url('\$2', ('\$3') ? '\$3' : '\$4')")),
 			'img'			=> array('bbcode_id' => 4,	'regexp' => array('#\[img\](.*)\[/img\]#uiUe' => "\$this->bbcode_img('\$1')")),
 			'size'			=> array('bbcode_id' => 5,	'regexp' => array('#\[size=([\-\+]?\d+)\](.*?)\[/size\]#uise' => "\$this->bbcode_size('\$1', '\$2')")),
 			'color'			=> array('bbcode_id' => 6,	'regexp' => array('!\[color=(#[0-9a-f]{3}|#[0-9a-f]{6}|[a-z\-]+)\](.*?)\[/color\]!uise' => "\$this->bbcode_color('\$1', '\$2')")),
@@ -133,6 +135,11 @@ class bbcode_firstpass extends bbcode
 			$this->parsed_items[$tag] = 0;
 		}
 
+		if (!$allow_custom_bbcode)
+		{
+			return;
+		}
+
 		if (!is_array($rowset))
 		{
 			global $db;
diff --git a/tests/bbcode/url_bbcode_test.php b/tests/bbcode/url_bbcode_test.php
new file mode 100644
index 0000000000..cd85dbd0d9
--- /dev/null
+++ b/tests/bbcode/url_bbcode_test.php
@@ -0,0 +1,63 @@
+<?php
+/**
+*
+* @package testing
+* @copyright (c) 2010 phpBB Group
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License
+*
+*/
+
+require_once dirname(__FILE__) . '/../../phpBB/includes/functions.php';
+require_once dirname(__FILE__) . '/../../phpBB/includes/functions_content.php';
+require_once dirname(__FILE__) . '/../../phpBB/includes/bbcode.php';
+require_once dirname(__FILE__) . '/../../phpBB/includes/message_parser.php';
+require_once dirname(__FILE__) . '/../mock_user.php';
+
+class phpbb_url_bbcode_test extends phpbb_test_case
+{
+	public function url_bbcode_test_data()
+	{
+		return array(
+			array(
+				'url only',
+				'[url]http://www.phpbb.com/community/[/url]',
+				'[url:]http&#58;//www&#46;phpbb&#46;com/community/[/url:]'
+			),
+			array(
+				'url with title',
+				'[url=http://www.phpbb.com/community/]One line URL text[/url]',
+				'[url=http&#58;//www&#46;phpbb&#46;com/community/:]One line URL text[/url:]'
+			),
+			array(
+				'url with multiline title',
+				"[url=http://www.phpbb.com/community/]Multiline\x0AURL\x0Atext[/url]",
+				"[url=http&#58;//www&#46;phpbb&#46;com/community/:]Multiline\x0AURL\x0Atext[/url:]"
+			),
+			array(
+				'unclosed url with multiline',
+				"test [url] test \x0A test [url=http://www.phpbb.com/]test[/url] test",
+				"test [url] test \x0A test [url=http&#58;//www&#46;phpbb&#46;com/:]test[/url:] test"
+			),
+			array(
+				'unclosed url with multiline and title',
+				"test [url=http://www.phpbb.com/]test \x0A [url]http://phpbb.com[/url] test",
+				"test [url=http&#58;//www&#46;phpbb&#46;com/:]test \x0A [url]http://phpbb.com[/url:] test"
+			),
+		);
+	}
+
+	/**
+	* @dataProvider url_bbcode_test_data
+	*/
+	public function test_url($description, $message, $expected)
+	{
+		global $user;
+		$user = new phpbb_mock_user;
+
+		$bbcode = new bbcode_firstpass();
+		$bbcode->message = $message;
+		$bbcode->bbcode_init(false);
+		$bbcode->parse_bbcode();
+		$this->assertEquals($expected, $bbcode->message);
+	}
+}
diff --git a/tests/mock_user.php b/tests/mock_user.php
new file mode 100644
index 0000000000..74d31c4c4a
--- /dev/null
+++ b/tests/mock_user.php
@@ -0,0 +1,20 @@
+<?php
+/**
+*
+* @package testing
+* @copyright (c) 2011 phpBB Group
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License
+*
+*/
+
+/**
+* Mock user class.
+* This class is used when tests invoke phpBB code expecting to have a global
+* user object, to avoid instantiating the actual user object.
+* It has a minimum amount of functionality, just to make tests work.
+*/
+class phpbb_mock_user
+{
+	public $host = "testhost";
+	public $page = array('root_script_path' => '/');
+}