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-rw-r--r--wp-login.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/wp-login.php b/wp-login.php
index d0deaae..abb85e1 100644
--- a/wp-login.php
+++ b/wp-login.php
@@ -166,7 +166,7 @@ break;
case 'resetpass' :
case 'rp' :
- $key = preg_replace('/a-z0-9/i', '', $_GET['key']);
+ $key = preg_replace('/[^a-z0-9]/i', '', $_GET['key']);
if ( empty( $key ) ) {
wp_redirect('wp-login.php?action=lostpassword&error=invalidkey');
exit();