diff --git a/adm/boardgroupmember_form.php b/adm/boardgroupmember_form.php
index f3bf434dc..dd58da23b 100644
--- a/adm/boardgroupmember_form.php
+++ b/adm/boardgroupmember_form.php
@@ -34,7 +34,6 @@ $colspan = 4;
         <th scope="col">그룹아이디</th>
         <th scope="col">그룹</th>
         <th scope="col">처리일시</th>
-        <th scope="col">삭제</th>
     </tr>
     </thead>
     <tbody>
@@ -54,7 +53,6 @@ $colspan = 4;
         <td class="td_grid"><a href="<?php echo $g4['bbs_path'] ?>/group.php?gr_id=<?php echo $row['gr_id'] ?>"><?php echo $row['gr_id'] ?></a></td>
         <td class="td_category"><?php echo $row['gr_subject'] ?></td>
         <td class="td_time"><?php echo $row['gm_datetime'] ?></td>
-        <td class="td_mng"><?php echo $s_del ?></td>
     </tr>
     <?php
     }
diff --git a/lib/common.lib.php b/lib/common.lib.php
index d94bd0dda..2930b57ac 100644
--- a/lib/common.lib.php
+++ b/lib/common.lib.php
@@ -570,6 +570,7 @@ function html_purifier($html)
     $config->set('HTML.SafeObject', true);
     $config->set('HTML.SafeIframe', true);
     $config->set('URI.SafeIframeRegexp','%^(https?:)?//('.$safeiframe.')%');
+    $config->set('Attr.AllowedFrameTargets', array('_blank'));
     $purifier = new HTMLPurifier($config);
     return $purifier->purify($html);
 }