From d802fecf979d90b568e3c84d17d521df200cab38 Mon Sep 17 00:00:00 2001
From: Sergey Biryukov <sergeybiryukov@git.wordpress.org>
Date: Sun, 17 Oct 2021 20:29:58 +0000
Subject: [PATCH] Coding Standards: Consistently escape form action URL in
 `wp-admin/update-core.php`.

Follow-up to [10166], [23739], [25806].

Props sabbirshouvo, mukesh27.
Fixes #54278.

git-svn-id: https://develop.svn.wordpress.org/trunk@51914 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-admin/update-core.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/wp-admin/update-core.php b/src/wp-admin/update-core.php
index 6e23d66866..a38e43c46f 100644
--- a/src/wp-admin/update-core.php
+++ b/src/wp-admin/update-core.php
@@ -154,7 +154,7 @@ function list_core_update( $update ) {
 	echo $message;
 	echo '</p>';
 
-	echo '<form method="post" action="' . $form_action . '" name="upgrade" class="upgrade">';
+	echo '<form method="post" action="' . esc_url( $form_action ) . '" name="upgrade" class="upgrade">';
 	wp_nonce_field( 'upgrade-core' );
 
 	echo '<p>';