Escape the output in `wp_ajax_upload_attachment()`.
Merges [45936] to the 4.6 branch. Props whyisjake, sstoqnov. Built from https://develop.svn.wordpress.org/branches/4.6@45948 git-svn-id: http://core.svn.wordpress.org/branches/4.6@45759 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -32,7 +32,7 @@ if ( ! ( isset( $_REQUEST['action'] ) && 'upload-attachment' == $_REQUEST['actio
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require_once( ABSPATH . 'wp-admin/admin.php' );
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header( 'Content-Type: text/html; charset=' . get_option( 'blog_charset' ) );
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header( 'Content-Type: text/plain; charset=' . get_option( 'blog_charset' ) );
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if ( isset( $_REQUEST['action'] ) && 'upload-attachment' === $_REQUEST['action'] ) {
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include( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
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@ -2022,7 +2022,7 @@ function wp_ajax_upload_attachment() {
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'success' => false,
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'data' => array(
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'message' => __( 'Sorry, you are not allowed to upload files.' ),
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'filename' => $_FILES['async-upload']['name'],
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'filename' => esc_html( $_FILES['async-upload']['name'] ),
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)
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) );
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@ -2036,7 +2036,7 @@ function wp_ajax_upload_attachment() {
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'success' => false,
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'data' => array(
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'message' => __( "You don't have permission to attach files to this post." ),
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'filename' => $_FILES['async-upload']['name'],
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'filename' => esc_html( $_FILES['async-upload']['name'] ),
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)
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) );
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@ -2060,7 +2060,7 @@ function wp_ajax_upload_attachment() {
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'success' => false,
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'data' => array(
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'message' => __( 'The uploaded file is not a valid image. Please try again.' ),
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'filename' => $_FILES['async-upload']['name'],
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'filename' => esc_html( $_FILES['async-upload']['name'] ),
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)
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) );
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@ -2075,7 +2075,7 @@ function wp_ajax_upload_attachment() {
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'success' => false,
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'data' => array(
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'message' => $attachment_id->get_error_message(),
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'filename' => $_FILES['async-upload']['name'],
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'filename' => esc_html( $_FILES['async-upload']['name'] ),
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)
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) );
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