Index: wp-includes/link-template.php
===================================================================
--- wp-includes/link-template.php	(révision 928)
+++ wp-includes/link-template.php	(copie de travail)
@@ -1084,7 +1084,7 @@
 	$title = apply_filters('the_title', $title, $post->ID);
 
 	$link = $previous ? "<link rel='prev' title='" : "<link rel='next' title='";
-	$link .= esc_attr( $title );
+	$link .= esc_attr( strip_tags( $title ) );
 	$link .= "' href='" . get_permalink($post) . "' />\n";
 
 	$adjacent = $previous ? 'previous' : 'next';
@@ -1222,7 +1222,7 @@
 	$title = apply_filters('the_title', $title, $post->ID);
 
 	$link = $start ? "<link rel='start' title='" : "<link rel='end' title='";
-	$link .= esc_attr($title);
+	$link .= esc_attr(strip_tags($title));
 	$link .= "' href='" . get_permalink($post) . "' />\n";
 
 	$boundary = $start ? 'start' : 'end';