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General: Escape nonce used for block theme activation.

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Add `wp_json_encode()` as an escaping function when setting the `WP_BLOCK_THEME_ACTIVATE_NONCE` global on the block theme preview screen.

This account for custom nonce implementations making use of special characters that require escaping in JavaScript strings.

Props antonvlasenko, ramonopoly.
Fixes #58712.



git-svn-id: https://develop.svn.wordpress.org/trunk@56218 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Peter Wilson
2023-07-12 05:19:39 +00:00
parent ee7434fefa
commit 44173677fa
1 changed files with 1 additions and 1 deletions
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src/wp-includes/theme-previews.php
+1 -1
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@@ -70,7 +70,7 @@ function wp_block_theme_activate_nonce() {
$nonce_handle = 'switch-theme_' . wp_get_theme_preview_path();
?>
<script type="text/javascript">
window.WP_BLOCK_THEME_ACTIVATE_NONCE = '<?php echo wp_create_nonce( $nonce_handle ); ?>';
window.WP_BLOCK_THEME_ACTIVATE_NONCE = <?php echo wp_json_encode( wp_create_nonce( $nonce_handle ) ); ?>;
</script>
<?php
}