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-rwxr-xr-xsystem/core/Security.php4
1 files changed, 2 insertions, 2 deletions
diff --git a/system/core/Security.php b/system/core/Security.php
index 6ed0f8d4f..8adc35676 100755
--- a/system/core/Security.php
+++ b/system/core/Security.php
@@ -977,8 +977,8 @@ class CI_Security {
// We don't necessarily want to regenerate it with
// each page load since a page could contain embedded
// sub-pages causing this feature to fail
- if (isset($_COOKIE[$this->_csrf_cookie_name]) &&
- preg_match('#^[0-9a-f]{32}$#iS', $_COOKIE[$this->_csrf_cookie_name]) === 1)
+ if (isset($_COOKIE[$this->_csrf_cookie_name]) && is_string($_COOKIE[$this->_csrf_cookie_name])
+ && preg_match('#^[0-9a-f]{32}$#iS', $_COOKIE[$this->_csrf_cookie_name]) === 1)
{
return $this->_csrf_hash = $_COOKIE[$this->_csrf_cookie_name];
}