Ticket #29936: 29936.patch

src/wp-admin/includes/plugin-install.php

@@ -326 +326 @@
 function install_plugin_information() {
         global $tab;
 
+        if ( empty( $_REQUEST['plugin'] ) ) {
+                return;
+        }
+
         $api = plugins_api( 'plugin_information', array(
                 'slug' => wp_unslash( $_REQUEST['plugin'] ),
                 'is_ssl' => is_ssl(),