Ticket #21749: 21749.3.patch

wp-includes/class-wp-theme.php

@@ -794 +794 @@
          * @return string URL to the stylesheet directory.
          */
         public function get_stylesheet_directory_uri() {
-                return $this->get_theme_root_uri() . '/' . $this->stylesheet;
+                $stylesheet = str_replace( '%2F', '/', rawurlencode( $this->stylesheet ) );
+                return $this->get_theme_root_uri() . '/' . $stylesheet;
         }
 
         /**
@@ -814 +815 @@
                 else
                         $theme_root_uri = $this->get_theme_root_uri();
 
-                return $theme_root_uri . '/' . $this->template;
+                $template = str_replace( '%2F', '/', rawurlencode( $this->template ) );
+                return $theme_root_uri . '/' . $template;
         }
 
         /**

wp-includes/theme.php

@@ -171 +171 @@
  * @return string
  */
 function get_stylesheet_directory_uri() {
-        $stylesheet = get_stylesheet();
+        $stylesheet = str_replace( '%2F', '/', rawurlencode( get_stylesheet() ) );
         $theme_root_uri = get_theme_root_uri( $stylesheet );
         $stylesheet_dir_uri = "$theme_root_uri/$stylesheet";
 
@@ -265 +265 @@
  * @return string Template directory URI.
  */
 function get_template_directory_uri() {
-        $template = get_template();
+        $template = str_replace( '%2F', '/', rawurlencode( get_template() ) );
         $theme_root_uri = get_theme_root_uri( $template );
         $template_dir_uri = "$theme_root_uri/$template";