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-rw-r--r--wp-includes/theme.php4
1 files changed, 2 insertions, 2 deletions
diff --git a/wp-includes/theme.php b/wp-includes/theme.php
index dafc073..aa5f385 100644
--- a/wp-includes/theme.php
+++ b/wp-includes/theme.php
@@ -486,12 +486,12 @@ function preview_theme() {
if ( !current_user_can( 'switch_themes' ) )
return;
- $_GET[template] = preg_replace('|[^a-z0-9]|i', '', $_GET[template]);
+ $_GET[template] = preg_replace('|[^a-z0-9_-]|i', '', $_GET[template]);
add_filter('template', create_function('', "return '$_GET[template]';") );
if ( isset($_GET['stylesheet']) ) {
- $_GET[stylesheet] = preg_replace('|[^a-z0-9]|i', '', $_GET[stylesheet]);
+ $_GET[stylesheet] = preg_replace('|[^a-z0-9_-]|i', '', $_GET[stylesheet]);
add_filter('stylesheet', create_function('', "return '$_GET[stylesheet]';") );
}