diff --git a/config.php b/config.php
index a2fb6e159..cd5dbf23f 100644
--- a/config.php
+++ b/config.php
@@ -5,8 +5,8 @@
 ********************/
 
 define('G5_VERSION', '그누보드5');
-define('G5_GNUBOARD_VER', '5.4.2.7');
-define('G5_YOUNGCART_VER', '5.4.2.7.1');
+define('G5_GNUBOARD_VER', '5.4.2.8');
+define('G5_YOUNGCART_VER', '5.4.2.8');
 
 // 이 상수가 정의되지 않으면 각각의 개별 페이지는 별도로 실행될 수 없음
 define('_GNUBOARD_', true);
diff --git a/lib/register.lib.php b/lib/register.lib.php
index 49afda6fa..254f08779 100644
--- a/lib/register.lib.php
+++ b/lib/register.lib.php
@@ -86,7 +86,7 @@ function exist_mb_nick($reg_mb_nick, $reg_mb_id)
 function reserve_mb_nick($reg_mb_nick)
 {
     global $config;
-    if (preg_match("/[\,]?{$reg_mb_nick}/i", $config['cf_prohibit_id']))
+    if (preg_match("/[\,]?".preg_quote($reg_mb_nick)."/i", $config['cf_prohibit_id']))
         return "이미 예약된 단어로 사용할 수 없는 닉네임 입니다.";
     else
         return "";
diff --git a/plugin/editor/cheditor5/imageUpload/config.php b/plugin/editor/cheditor5/imageUpload/config.php
index ac4e4956c..dc5f2ba8b 100644
--- a/plugin/editor/cheditor5/imageUpload/config.php
+++ b/plugin/editor/cheditor5/imageUpload/config.php
@@ -1,10 +1,6 @@
 <?php
 include_once("_common.php");
 
-if( strpos($config['cf_editor'], 'cheditor5') === false ){
-    exit;
-}
-
 define("CHE_UPLOAD_IMG_CHECK", 1);  // �̹��� ������ ����� �Ҽ� �ִ��� ���θ� üũ�մϴ�. ( �ش� ������ �̹��� �������� üũ�մϴ�. 1�̸� ���, 0�̸� ��� ���� )
 
 // ---------------------------------------------------------------------------