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-rw-r--r--system/core/Security.php21
1 files changed, 11 insertions, 10 deletions
diff --git a/system/core/Security.php b/system/core/Security.php
index b9160a252..d0308c5f9 100644
--- a/system/core/Security.php
+++ b/system/core/Security.php
@@ -133,15 +133,16 @@ class CI_Security {
* @var array
*/
protected $_never_allowed_str = array(
- 'document.cookie' => '[removed]',
- 'document.write' => '[removed]',
- '.parentNode' => '[removed]',
- '.innerHTML' => '[removed]',
- '-moz-binding' => '[removed]',
- '<!--' => '&lt;!--',
- '-->' => '--&gt;',
- '<![CDATA[' => '&lt;![CDATA[',
- '<comment>' => '&lt;comment&gt;'
+ 'document.cookie' => '[removed]',
+ 'document.write' => '[removed]',
+ '.parentNode' => '[removed]',
+ '.innerHTML' => '[removed]',
+ '-moz-binding' => '[removed]',
+ '<!--' => '&lt;!--',
+ '-->' => '--&gt;',
+ '<![CDATA[' => '&lt;![CDATA[',
+ '<comment>' => '&lt;comment&gt;',
+ '<%' => '&lt;&#37;'
);
/**
@@ -924,7 +925,7 @@ class CI_Security {
return str_replace(
$match[1],
preg_replace(
- '#href=.*?(?:(?:alert|prompt|confirm)(?:\(|&\#40;)|javascript:|livescript:|mocha:|charset=|window\.|document\.|\.cookie|<script|<xss|data\s*:)#si',
+ '#href=.*?(?:(?:alert|prompt|confirm)(?:\(|&\#40;)|javascript:|livescript:|mocha:|charset=|window\.|document\.|\.cookie|<script|<xss|d\s*a\s*t\s*a\s*:)#si',
'',
$this->_filter_attributes($match[1])
),