From 11a2af0ac9bd72ae27e96354ade21a9eecae5c16 Mon Sep 17 00:00:00 2001
From: "Dominik Schilling (ocean90)" <ocean90@git.wordpress.org>
Date: Wed, 11 Jan 2017 11:09:02 +0000
Subject: [PATCH] Themes: Fix markup for theme name fallbacks.

Merge of [39807] to the 4.3 branch.

git-svn-id: https://develop.svn.wordpress.org/branches/4.3@39813 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/class-wp-theme.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/wp-includes/class-wp-theme.php b/src/wp-includes/class-wp-theme.php
index 03368d31b5..3b977bc4a3 100644
--- a/src/wp-includes/class-wp-theme.php
+++ b/src/wp-includes/class-wp-theme.php
@@ -697,8 +697,9 @@ final class WP_Theme implements ArrayAccess {
 	private function markup_header( $header, $value, $translate ) {
 		switch ( $header ) {
 			case 'Name' :
-				if ( empty( $value ) )
-					$value = $this->get_stylesheet();
+				if ( empty( $value ) ) {
+					$value = esc_html( $this->get_stylesheet() );
+				}
 				break;
 			case 'Description' :
 				$value = wptexturize( $value );