diff --git a/bbs/alert.php b/bbs/alert.php
index d64b6f2fd..6b1ab26a7 100644
--- a/bbs/alert.php
+++ b/bbs/alert.php
@@ -30,7 +30,8 @@ include_once(G5_PATH.'/head.sub.php');
 
 $msg2 = str_replace("\\n", "<br>", $msg);
 
-if (!$url) $url = $_SERVER['HTTP_REFERER'];
+$url = clean_xss_tags($url);
+if (!$url) $url = clean_xss_tags($_SERVER['HTTP_REFERER']);
 
 // url 체크
 check_url_host($url);
diff --git a/bbs/confirm.php b/bbs/confirm.php
index 76e9c7652..fcf94e0e9 100644
--- a/bbs/confirm.php
+++ b/bbs/confirm.php
@@ -2,6 +2,10 @@
 include_once('./_common.php');
 include_once(G5_PATH.'/head.sub.php');
 
+$url1 = clean_xss_tags($url1);
+$url2 = clean_xss_tags($url2);
+$url3 = clean_xss_tags($url3);
+
 // url 체크
 check_url_host($url1);
 check_url_host($url2);
diff --git a/bbs/move.php b/bbs/move.php
index e3a7d86f2..a4631addf 100644
--- a/bbs/move.php
+++ b/bbs/move.php
@@ -55,7 +55,7 @@ for ($i=0; $row=sql_fetch_array($result); $i++)
     <input type="hidden" name="sod" value="<?php echo $sod ?>">
     <input type="hidden" name="page" value="<?php echo $page ?>">
     <input type="hidden" name="act" value="<?php echo $act ?>">
-    <input type="hidden" name="url" value="<?php echo $_SERVER['HTTP_REFERER'] ?>">
+    <input type="hidden" name="url" value="<?php echo clean_xss_tags($_SERVER['HTTP_REFERER']); ?>">
 
     <div class="tbl_head01 tbl_wrap">
         <table>
diff --git a/bbs/new.php b/bbs/new.php
index bbf9ccf96..9e008e861 100644
--- a/bbs/new.php
+++ b/bbs/new.php
@@ -17,6 +17,8 @@ if ($view == "w")
     $sql_common .= " and a.wr_id = a.wr_parent ";
 else if ($view == "c")
     $sql_common .= " and a.wr_id <> a.wr_parent ";
+else
+    $view = '';
 
 $mb_id = isset($_GET['mb_id']) ? ($_GET['mb_id']) : '';
 $mb_id = substr(preg_replace('#[^a-z0-9_]#i', '', $mb_id), 0, 20);
diff --git a/bbs/newwin.inc.php b/bbs/newwin.inc.php
index 0e587ce53..2882aa9c3 100644
--- a/bbs/newwin.inc.php
+++ b/bbs/newwin.inc.php
@@ -19,14 +19,11 @@ $result = sql_query($sql, false);
     <h2>팝업레이어 알림</h2>
 
 <?php
-for ($i=0; $row_nw=sql_fetch_array($result); $i++)
+for ($i=0; $nw=sql_fetch_array($result); $i++)
 {
     // 이미 체크 되었다면 Continue
-    if ($_COOKIE["hd_pops_{$row_nw['nw_id']}"])
+    if ($_COOKIE["hd_pops_{$nw['nw_id']}"])
         continue;
-
-    $sql = " select * from {$g5['new_win_table']} where nw_id = '{$row_nw['nw_id']}' ";
-    $nw = sql_fetch($sql);
 ?>
 
     <div id="hd_pops_<?php echo $nw['nw_id'] ?>" class="hd_pops" style="top:<?php echo $nw['nw_top']?>px;left:<?php echo $nw['nw_left']?>px">
diff --git a/bbs/register_form.php b/bbs/register_form.php
index cb6fd2517..4729c7692 100644
--- a/bbs/register_form.php
+++ b/bbs/register_form.php
@@ -115,6 +115,9 @@ $req_nick = !isset($member['mb_nick_date']) || (isset($member['mb_nick_date']) &
 $required = ($w=='') ? 'required' : '';
 $readonly = ($w=='u') ? 'readonly' : '';
 
+$agree  = preg_replace('#[^0-9]#', '', $agree);
+$agree2 = preg_replace('#[^0-9]#', '', $agree2);
+
 // add_javascript('js 구문', 출력순서); 숫자가 작을 수록 먼저 출력됨
 if ($config['cf_use_addr'])
     add_javascript(G5_POSTCODE_JS, 0);    //다음 주소 js
diff --git a/bbs/search.php b/bbs/search.php
index 4f4df3f19..0f3fe803b 100644
--- a/bbs/search.php
+++ b/bbs/search.php
@@ -17,7 +17,7 @@ if ($stx) {
     $stx = preg_replace('/\//', '\/', trim($stx));
     $sop = strtolower($sop);
     if (!$sop || !($sop == 'and' || $sop == 'or')) $sop = 'and'; // 연산자 and , or
-    $srows = isset($_GET['srows']) ? preg_replace('#[^0-9]#', '', $_GET['srows']) : 10;
+    $srows = isset($_GET['srows']) ? (int)preg_replace('#[^0-9]#', '', $_GET['srows']) : 10;
     if (!$srows) $srows = 10; // 한페이지에 출력하는 검색 행수
 
     $g5_search['tables'] = Array();
diff --git a/lib/common.lib.php b/lib/common.lib.php
index 0d64c8a17..1fdff9183 100644
--- a/lib/common.lib.php
+++ b/lib/common.lib.php
@@ -192,7 +192,7 @@ function confirm($msg, $url1='', $url2='', $url3='')
         alert($msg);
     }
 
-    if (!$url3) $url3 = $_SERVER['HTTP_REFERER'];
+    if (!$url3) $url3 = clean_xss_tags($_SERVER['HTTP_REFERER']);
 
     $msg = str_replace("\\n", "<br>", $msg);
 
@@ -2738,6 +2738,11 @@ function clean_xss_tags($str)
 {
     $str = preg_replace('#</*(?:applet|b(?:ase|gsound|link)|embed|frame(?:set)?|i(?:frame|layer)|l(?:ayer|ink)|meta|object|s(?:cript|tyle)|title|xml)[^>]*+>#i', '', $str);
 
+    $search  = array('"', "'");
+    $replace = array('&#34;', '&#39;');
+
+    $str = str_replace($search, $replace, $str);
+
     return $str;
 }
 
diff --git a/mobile/newwin.inc.php b/mobile/newwin.inc.php
index 978f8fcb7..812ebff28 100644
--- a/mobile/newwin.inc.php
+++ b/mobile/newwin.inc.php
@@ -19,14 +19,11 @@ $result = sql_query($sql, false);
     <h2>팝업레이어 알림</h2>
 
 <?php
-for ($i=0; $row_nw=sql_fetch_array($result); $i++)
+for ($i=0; $nw=sql_fetch_array($result); $i++)
 {
     // 이미 체크 되었다면 Continue
-    if ($_COOKIE["hd_pops_{$row_nw['nw_id']}"])
+    if ($_COOKIE["hd_pops_{$nw['nw_id']}"])
         continue;
-
-    $sql = " select * from {$g5['new_win_table']} where nw_id = '{$row_nw['nw_id']}' ";
-    $nw = sql_fetch($sql);
 ?>
 
     <div id="hd_pops_<?php echo $nw['nw_id'] ?>" class="hd_pops" style="top:<?php echo $nw['nw_top']?>px;left:<?php echo $nw['nw_left']?>px;">
diff --git a/skin/new/basic/new.skin.php b/skin/new/basic/new.skin.php
index 085eec0e6..2558d8118 100644
--- a/skin/new/basic/new.skin.php
+++ b/skin/new/basic/new.skin.php
@@ -45,7 +45,6 @@ add_stylesheet('<link rel="stylesheet" href="'.$new_skin_url.'/style.css">', 0);
 <input type="hidden" name="view"     value="<?php echo $view; ?>">
 <input type="hidden" name="sfl"      value="<?php echo $sfl; ?>">
 <input type="hidden" name="stx"      value="<?php echo $stx; ?>">
-<input type="hidden" name="srows"    value="<?php echo $srows; ?>">
 <input type="hidden" name="bo_table" value="<?php echo $bo_table; ?>">
 <input type="hidden" name="page"     value="<?php echo $page; ?>">
 <input type="hidden" name="pressed"  value="">