Ticket #41638: 41638.diff

src/wp-admin/includes/plugin.php

@@ -369 +369 @@
         $plugins_dir = @opendir( WPMU_PLUGIN_DIR );
         if ( $plugins_dir ) {
                 while ( ( $file = readdir( $plugins_dir ) ) !== false ) {
+                        if ( '.' === substr( $file, 0, 1 ) ) {
+                                continue;
+                        }
                         if ( '.php' === substr( $file, -4 ) ) {
                                 $plugin_files[] = $file;
                         }