Edit file File name : PluginsInstaller.php Content :<?php /** * PluginsInstaller * * Installer to allow plugin installation via URL query. */ namespace Automattic\WooCommerce\Admin; defined( 'ABSPATH' ) || exit; use Automattic\WooCommerce\Admin\API\Plugins; use Automattic\WooCommerce\Admin\Features\TransientNotices; /** * Class PluginsInstaller */ class PluginsInstaller { /** * Constructor */ public static function init() { add_action( 'admin_init', array( __CLASS__, 'possibly_install_activate_plugins' ) ); } /** * Check if an install or activation is being requested via URL query. */ public static function possibly_install_activate_plugins() { /* phpcs:disable WordPress.Security.NonceVerification.Recommended */ if ( ! isset( $_GET['plugin_action'] ) || ! isset( $_GET['plugins'] ) || ! current_user_can( 'install_plugins' ) || ! isset( $_GET['nonce'] ) ) { return; } $nonce = sanitize_text_field( wp_unslash( $_GET['nonce'] ) ); if ( ! wp_verify_nonce( $nonce, 'install-plugin' ) ) { wp_nonce_ays( 'install-plugin' ); } $plugins = sanitize_text_field( wp_unslash( $_GET['plugins'] ) ); $plugin_action = sanitize_text_field( wp_unslash( $_GET['plugin_action'] ) ); /* phpcs:enable WordPress.Security.NonceVerification.Recommended */ $plugins_api = new Plugins(); $install_result = null; $activate_result = null; switch ( $plugin_action ) { case 'install': $install_result = $plugins_api->install_plugins( array( 'plugins' => $plugins ) ); break; case 'activate': $activate_result = $plugins_api->activate_plugins( array( 'plugins' => $plugins ) ); break; case 'install-activate': $install_result = $plugins_api->install_plugins( array( 'plugins' => $plugins ) ); $activate_result = $plugins_api->activate_plugins( array( 'plugins' => implode( ',', $install_result['data']['installed'] ) ) ); break; } self::cache_results( $plugins, $install_result, $activate_result ); self::redirect_to_referer(); } /** * Display the results of installation and activation on the page. * * @param string $plugins Comma separated list of plugins. * @param array $install_result Result of installation. * @param array $activate_result Result of activation. */ public static function cache_results( $plugins, $install_result, $activate_result ) { if ( ! $install_result && ! $activate_result ) { return; } if ( is_wp_error( $install_result ) || is_wp_error( $activate_result ) ) { $message = $activate_result ? $activate_result->get_error_message() : $install_result->get_error_message(); } else { $message = $activate_result ? $activate_result['message'] : $install_result['message']; } TransientNotices::add( array( 'user_id' => get_current_user_id(), 'id' => 'plugin-installer-' . str_replace( ',', '-', $plugins ), 'status' => 'success', 'content' => $message, ) ); } /** * Redirect back to the referring page if one exists. */ public static function redirect_to_referer() { $referer = wp_get_referer(); if ( $referer && 0 !== strpos( $referer, wp_login_url() ) ) { wp_safe_redirect( $referer ); exit(); } if ( ! isset( $_SERVER['REQUEST_URI'] ) ) { return; } $url = remove_query_arg( 'plugin_action', wp_unslash( $_SERVER['REQUEST_URI'] ) ); // phpcs:ignore sanitization ok. $url = remove_query_arg( 'plugins', $url ); wp_safe_redirect( $url ); exit(); } } Save