diff --git a/wp-admin/includes/template.php b/wp-admin/includes/template.php
index b89a899d55..57dd7c2fcd 100644
a
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b
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function do_meta_boxes( $screen, $context, $object ) { |
1099 | 1099 | |
1100 | 1100 | $hidden = get_hidden_meta_boxes( $screen ); |
1101 | 1101 | |
1102 | | printf( '<div id="%s-sortables" class="meta-box-sortables">', htmlspecialchars( $context ) ); |
| 1102 | printf( '<div id="%s-sortables" class="meta-box-sortables">', esc_attr( $context ) ); |
1103 | 1103 | |
1104 | 1104 | // Grab the ones the user has manually sorted. Pull them out of their previous context/priority and into the one the user chose |
1105 | 1105 | if ( ! $already_sorted && $sorted = get_user_option( "meta-box-order_$page" ) ) { |