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Customize: Ignore invalid customization sessions. 

Merge of [40704] to the 3.9 branch.
Built from https://develop.svn.wordpress.org/branches/3.9@40713


git-svn-id: http://core.svn.wordpress.org/branches/3.9@40576 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Dominik Schilling 2017-05-16 12:21:15 +00:00
parent c2f264d25f
commit 9febffc6f7
3 changed files with 29 additions and 1 deletions
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10
wp-admin/js/customize-controls.js
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@ -1004,6 +1004,16 @@
}
});
// Ensure preview nonce is included with every customized request, to allow post data to be read.
$.ajaxPrefilter( function injectPreviewNonce( options ) {
if ( ! /wp_customize=on/.test( options.data ) ) {
return;
}
options.data += '&' + $.param({
customize_preview_nonce: api.settings.nonce.preview
});
});
// Refresh the nonces if the preview sends updated nonces over.
previewer.bind( 'nonce', function( nonce ) {
$.extend( this.nonce, nonce );

2
wp-admin/js/customize-controls.min.js vendored
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File diff suppressed because one or more lines are too long

18
wp-includes/class-wp-customize-manager.php
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@ -163,6 +163,24 @@ final class WP_Customize_Manager {
$this->theme = wp_get_theme( isset( $_REQUEST['theme'] ) ? $_REQUEST['theme'] : null );
/*
* Clear incoming post data if the user lacks a CSRF token (nonce). Note that the customizer
* application will inject the customize_preview_nonce query parameter into all Ajax requests.
* For similar behavior elsewhere in WordPress, see rest_cookie_check_errors() which logs out
* a user when a valid nonce isn't present.
*/
$has_post_data_nonce = (
check_ajax_referer( 'preview-customize_' . $this->get_stylesheet(), 'nonce', false )
||
check_ajax_referer( 'save-customize_' . $this->get_stylesheet(), 'nonce', false )
||
check_ajax_referer( 'preview-customize_' . $this->get_stylesheet(), 'customize_preview_nonce', false )
);
if ( ! $has_post_data_nonce ) {
unset( $_POST['customized'] );
unset( $_REQUEST['customized'] );
}
if ( $this->is_theme_active() ) {
// Once the theme is loaded, we'll validate it.
add_action( 'after_setup_theme', array( $this, 'after_setup_theme' ) );