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-rw-r--r--system/libraries/Input.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/system/libraries/Input.php b/system/libraries/Input.php
index dc5b5e5a9..2682ce316 100644
--- a/system/libraries/Input.php
+++ b/system/libraries/Input.php
@@ -728,7 +728,7 @@ class CI_Input {
* Becomes: <blink>
*
*/
- $naughty = 'alert|applet|audio|basefont|base|behavior|bgsound|blink|body|embed|expression|form|frameset|frame|head|html|ilayer|iframe|input|layer|link|meta|object|plaintext|style|script|textarea|title|video|xml|xss';
+ $naughty = 'alert|applet|audio|basefont|base|behavior|bgsound|blink|body|embed|expression|form|frameset|frame|head|html|ilayer|iframe|input|isindex|layer|link|meta|object|plaintext|style|script|textarea|title|video|xml|xss';
$str = preg_replace_callback('#<(/*\s*)('.$naughty.')([^><]*)([><]*)#is', array($this, '_sanitize_naughty_html'), $str);
/*