Ticket #41638: 41638.2.diff

src/wp-admin/includes/plugin.php

@@ -374 +374 @@
         $plugins_dir = @opendir( WPMU_PLUGIN_DIR );
         if ( $plugins_dir ) {
                 while ( ( $file = readdir( $plugins_dir ) ) !== false ) {
-                        if ( str_ends_with( $file, '.php' ) ) {
+                        if ( !str_starts_with($file, '.') && str_ends_with( $file, '.php' ) ) {
                                 $plugin_files[] = $file;
                         }
                 }