From c95616cb6317cbfe5d8d06e5899f40b729c6ba9c Mon Sep 17 00:00:00 2001
From: Sergey Biryukov <sergeybiryukov@git.wordpress.org>
Date: Fri, 6 Sep 2019 06:25:19 +0000
Subject: [PATCH] Upgrade/Install: Escape the `%` in `width="100%"` in a
 `printf()` call in `Plugin_Upgrader_Skin::after()`.

Props afragen.
Fixes #47989.

git-svn-id: https://develop.svn.wordpress.org/trunk@46072 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-admin/includes/class-plugin-upgrader-skin.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/wp-admin/includes/class-plugin-upgrader-skin.php b/src/wp-admin/includes/class-plugin-upgrader-skin.php
index 5d06c7c2c6..f4a119b754 100644
--- a/src/wp-admin/includes/class-plugin-upgrader-skin.php
+++ b/src/wp-admin/includes/class-plugin-upgrader-skin.php
@@ -47,7 +47,7 @@ class Plugin_Upgrader_Skin extends WP_Upgrader_Skin {
 		if ( ! empty( $this->plugin ) && ! is_wp_error( $this->result ) && $this->plugin_active ) {
 			// Currently used only when JS is off for a single plugin update?
 			printf(
-				'<iframe title="%s" style="border:0;overflow:hidden" width="100%" height="170" src="%s"></iframe>',
+				'<iframe title="%s" style="border:0;overflow:hidden" width="100%%" height="170" src="%s"></iframe>',
 				esc_attr__( 'Update progress' ),
 				wp_nonce_url( 'update.php?action=activate-plugin&networkwide=' . $this->plugin_network_active . '&plugin=' . urlencode( $this->plugin ), 'activate-plugin_' . $this->plugin )
 			);