On ajoute sur le lien du pied de page privé un attribut rel (noopener noreferrer)

ecrire/inc/presentation_mini.php

@@ -246,7 +246,7 @@ function info_copyright() {
 	if ($svn_revision = version_svn_courante(_DIR_RACINE)) {
 		$version .= ' ' . (($svn_revision < 0) ? 'SVN ' : '')
 			. "[<a href='http://core.spip.net/projects/spip/repository/revisions/"
-			. abs($svn_revision) . "' target=\"_blank\">"
+			. abs($svn_revision) . "' target=\"_blank\" rel=\"noopener noreferrer\">"
 			. abs($svn_revision) . "</a>]";
 	}