File: /var/www/html/wp-content/plugins/mainwp-child/class/class-mainwp-child-vulnerability-checker.php
<?php
/**
* MainWP Child Vulnerability Checker
*
* MainWP Vulnerability Checker Extension handler.
*
* @link https://mainwp.com/extension/vulnerability-checker/
*
* @package MainWP\Child
*
* Credits
*
* Plugin-Name: Vulnerability Alerts
* Plugin URI: http://wordpress.org/plugins/vulnerability-alerts/
* Author: Edir Pedro
* Author URI: http://edirpedro.com.br
* License: GPL2
* License URI: https://www.gnu.org/licenses/gpl-2.0.html
*/
namespace MainWP\Child;
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Class MainWP_Child_Vulnerability_Checker
*
* MainWP Vulnerability Checker Extension handler.
*/
class MainWP_Child_Vulnerability_Checker {
/**
* Public static variable to hold the single instance of the class.
*
* @var mixed Default null
*/
public static $instance = null;
/**
* WPVulnDB API URL
*
* @var string
*/
private $wpvulndb_api = 'https://wpvulndb.com/api/v3/';
/**
* Nvd.nist.gov API URL
*
* @var string
*/
private $wpvulndb_nvd_api = 'https://services.nvd.nist.gov/rest/json/cves/2.0';
/**
* Wordfence API URL
*
* @var string
*/
private $wordfence_api_url = 'https://www.wordfence.com/api/intelligence/v2/vulnerabilities/';
/**
* Method instance()
*
* Create a public static instance.
*
* @return mixed Class instance.
*/
public static function instance() {
if ( null === static::$instance ) {
static::$instance = new self();
}
return static::$instance;
}
/**
* MainWP_Child_Vulnerability_Checker constructor.
*
* Run any time class is called.
*/
public function __construct() {
$wpvulndb_token = get_option( 'mainwp_child_wpvulndb_token', '' );
if ( ! empty( $wpvulndb_token ) ) {
delete_option( 'mainwp_child_wpvulndb_token' ); // old value.
}
add_action( 'mainwp_child_cron_plugin_vuln_nvd_continue_check', array( $this, 'cron_nvd_continue_check_plugins' ) );
add_action( 'mainwp_child_cron_plugin_vuln_nvd_continue_force_check', array( $this, 'cron_nvd_continue_force_check_plugins' ) );
}
/**
* MainWP Child Vulnerability Checker actions.
*
* @uses \MainWP\Child\MainWP_Helper::write()
*/
public function action() {
$information = array();
$mwp_action = MainWP_System::instance()->validate_params( 'mwp_action' );
if ( 'vulner_recheck' === $mwp_action ) {
$information = $this->vulner_recheck();
}
MainWP_Helper::write( $information );
}
/**
* Check for vulnerabilities.
*
* @return array Return an array $information[] containing $results[] array.
*/
public function vulner_recheck() {
$result = array();
// phpcs:disable WordPress.Security.NonceVerification
$force = ( isset( $_POST['force'] ) && ! empty( $_POST['force'] ) ) ? true : false;
$service = '';
if ( isset( $_POST['service'] ) && 'nvd_nist' === $_POST['service'] ) {
$service = 'nvd_nist';
} elseif ( isset( $_POST['service'] ) && 'wordfence' === $_POST['service'] ) {
$service = 'wordfence';
} else {
$service = 'wpvulndb';
}
if ( 'wpvulndb' === $service ) {
if ( empty( $_POST['wpvulndb_tk'] ) ) {
return array( 'error' => 'Error: empty WPScan API token.' );
}
$encrypted = MainWP_Child_Keys_Manager::instance()->encrypt_string( sanitize_text_field( wp_unslash( $_POST['wpvulndb_tk'] ) ) );
set_transient( 'mainwp_child_trans_wpvulndb_tk', $encrypted, 30 * MINUTE_IN_SECONDS );
} elseif ( ! empty( $_POST['nvd_nist_tk'] ) ) {
$encrypted = MainWP_Child_Keys_Manager::instance()->encrypt_string( sanitize_text_field( wp_unslash( $_POST['nvd_nist_tk'] ) ) );
set_transient( 'mainwp_child_trans_nvd_nist_tk', $encrypted, 30 * MINUTE_IN_SECONDS );
} else {
delete_transient( 'mainwp_child_trans_nvd_nist_tk' );
}
// phpcs:enable
$result['plugin'] = $this->check_plugins( $force, $service );
$result['wp'] = $this->check_wp( $force, $service );
$result['theme'] = $this->check_themes( $force, $service );
return array(
'result' => $result,
'ok' => 1,
);
}
/**
* Method is_fixed_version.
*
* @param mixed $version version.
* @param mixed $data data.
* @return bool
*/
public function is_fixed_version( $version, $data ) {
if ( ! is_array( $data ) || ! isset( $data['from_version'] ) || ! isset( $data['to_version'] ) || ( '*' === $data['from_version'] && '*' === $data['to_version'] ) ) {
return false;
}
if ( '*' === $data['from_version'] ) {
$data['from_version'] = '0';
}
$fromOperator = $data['from_inclusive'] ? '>=' : '>';
$toOperator = $data['to_inclusive'] ? '<=' : '<';
return version_compare( $version, $data['from_version'], $fromOperator ) && version_compare( $version, $data['to_version'], $toOperator ) ? false : true;
}
/**
* Get vuln wordfence info.
*
* @param mixed $data data.
* @param mixed $slug slug.
* @param mixed $version version.
* @return array
*/
public function get_vuln_wordfence_info( $data, $slug, $version ) { //phpcs:ignore -- NOSONAR - complexity.
$data = json_decode( $data, true );
$filtered_data = array();
if ( is_array( $data ) && isset( $data['result'] ) && isset( $data['result']['CVE_Items'] ) ) {
$vulns = array();
$version_missed = true;
$fixed = false;
foreach ( $data['result']['CVE_Items'] as $item ) {
$info = array();
$remediation = '';
foreach ( $item['software'] as $software ) {
foreach ( $software['affected_versions'] as $affected_version ) {
$fixed = $this->is_fixed_version( $version, $affected_version );
$version_missed = false;
if ( $fixed ) {
break;
}
}
$remediation .= ' [' . ucfirst( $software['type'] ) . '->' . $software['name'] . '] ' . $software['remediation'];
}
if ( ! $fixed ) {
if ( isset( $item['published'] ) ) {
$info['date'] = $item['published'];
}
if ( isset( $item['description'] ) ) {
$info['detail'] = $item['description'] . $remediation;
}
$customCveId = explode( '-', $item['id'] );
$info['cve_id'] = $item['cve'] ?? end( $customCveId );
$info['slug'] = $slug;
if ( isset( $item['title'] ) ) {
$info['title'] = $item['title'];
}
if ( isset( $item['cvss'] ) ) {
$info['cvss_score'] = $item['cvss']['score'];
$info['cvss_rating'] = $item['cvss']['rating'];
}
if ( isset( $item['software'][0]['patched'] ) ) {
$info['patched'] = $item['software'][0]['patched'];
}
if ( isset( $item['software'][0]['name'] ) ) {
$info['software_name'] = $item['software'][0]['name'];
}
}
if ( $version_missed ) {
$info['missed_version'] = 1;
}
if ( ! empty( $info ) ) {
$vulns[] = $info;
}
}
$filtered_data[ $slug ]['vulnerabilities'] = $vulns;
}
return $filtered_data;
}
/**
* Handle continue check for plugin vulnerabilities.
*/
public function cron_nvd_continue_check_plugins() {
$this->check_plugins( false, 'nvd_nist' );
}
/**
* Handle continue force check for plugin vulnerabilities.
*/
public function cron_nvd_continue_force_check_plugins() {
$this->check_plugins( true, 'nvd_nist' );
}
/**
* Check for plugin vulnerabilities.
*
* @param bool $force Whether or not to force check. Default: false.
* @param bool $service Selected service.
*
* @return array Return $result array.
*/
public function check_plugins( $force = false, $service = '' ) { //phpcs:ignore -- NOSONAR - ignore complex.
$result = array();
if ( ! function_exists( '\get_plugins' ) ) {
require_once ABSPATH . 'wp-admin/includes/plugin.php'; // NOSONAR - ok.
}
$all_plugins = \get_plugins();
$limit_request = 0;
$max_request = 5;
$nvd_nist_token = '';
$nvd_continue_checks = array();
if ( 'nvd_nist' === $service ) {
$encrypted = get_transient( 'mainwp_child_trans_nvd_nist_tk' );
$nvd_nist_token = MainWP_Child_Keys_Manager::instance()->decrypt_string( $encrypted );
if ( ! empty( $nvd_nist_token ) ) {
$max_request = 50;
} else {
$nvd_continue_checks = get_option( 'mainwp_child_vuln_nvd_checking_list', '' );
if ( empty( $nvd_continue_checks ) ) {
$nvd_continue_checks = array();
foreach ( $all_plugins as $plug => $plugin_info ) {
$nvd_continue_checks[ $plug ] = 0; // not checked.
}
update_option( 'mainwp_child_vuln_nvd_checking_list', wp_json_encode( $nvd_continue_checks ) );
} else {
$nvd_continue_checks = json_decode( $nvd_continue_checks, true );
}
if ( ! is_array( $nvd_continue_checks ) ) {
$nvd_continue_checks = array();
}
}
}
if ( ! empty( $all_plugins ) ) {
foreach ( $all_plugins as $plug => $plugin_info ) {
$plugin_version = isset( $plugin_info['Version'] ) ? $plugin_info['Version'] : '';
$plugin_name = isset( $plugin_info['Name'] ) ? strtolower( $plugin_info['Name'] ) : '';
if ( empty( $plugin_name ) ) {
continue;
}
$slug = str_replace( array( '-', ' ' ), '_', $plugin_name );
$string = explode( '/', $plug );
$plug_vuln = get_transient( 'mainwp_vulnche_trans_plug_' . $string[0] );
if ( false === $plug_vuln || $force ) {
if ( 'nvd_nist' === $service ) {
if ( 'wordfence' === strtolower( $string[0] ) ) {
continue;
}
if ( ! empty( $nvd_continue_checks[ $plug ] ) ) {
continue;
}
$nvd_continue_checks[ $plug ] = 1;
++$limit_request;
if ( $limit_request >= $max_request ) {
if ( ! empty( $nvd_nist_token ) ) {
sleep( 30 );
} else {
break;
}
}
// URL Syntax example: https://services.nvd.nist.gov/rest/json/cves/2.0?virtualMatchString=cpe:2.3:a:automattic:akismet:* .
$url = $this->wpvulndb_nvd_api . '?virtualMatchString=cpe:2.3:a:*:' . $slug . ':*:*:*:*:*:wordpress:*:*'; //phpcs:ignore --Misspelled.
} elseif ( 'wordfence' === $service ) {
$url = $this->wordfence_api_url . 'production?keyword=' . $string[0];
} else {
$url = $this->wpvulndb_api . 'plugins/' . $string[0];
}
$plug_vuln = $this->vulnche_get_content( $url, $service );
set_transient( 'mainwp_vulnche_trans_plug_' . $string[0], $plug_vuln, 1 * DAY_IN_SECONDS );
} elseif ( 'nvd_nist' === $service ) {
$nvd_continue_checks[ $plug ] = 1;
}
if ( $plug_vuln ) {
$plug_vuln_filter = array();
if ( 'nvd_nist' === $service ) {
$plug_vuln_filter = $this->get_vuln_nvd_nist_info( $plug_vuln, $string[0], $plugin_version );
} elseif ( 'wordfence' === $service ) {
$plug_vuln_filter = $this->get_vuln_wordfence_info( $plug_vuln, $string[0], $plugin_version );
} else {
$plug_vuln = json_decode( $plug_vuln, true );
$plug_vuln_filter = $plug_vuln;
foreach ( $plug_vuln as $slug => $pl_data ) {
if ( isset( $pl_data['vulnerabilities'] ) && count( $pl_data['vulnerabilities'] ) > 0 ) {
$plug_vulner_data = array();
foreach ( $pl_data['vulnerabilities'] as $vuln_data ) {
if ( isset( $vuln_data['fixed_in'] ) && version_compare( $plugin_version, $vuln_data['fixed_in'] ) >= 0 ) {
continue;
}
$plug_vulner_data[] = $vuln_data;
}
if ( empty( $plug_vulner_data ) ) {
unset( $plug_vuln_filter[ $slug ] );
} else {
$plug_vuln_filter[ $slug ]['vulnerabilities'] = $plug_vulner_data;
$plug_vuln_filter[ $slug ]['detected_version'] = $plugin_version;
$plug_vuln_filter[ $slug ]['plugin_slug'] = $plug;
}
} else {
unset( $plug_vuln_filter[ $slug ] );
}
}
}
if ( empty( $plug_vuln_filter ) ) {
continue;
}
$plug_vuln = wp_json_encode( $plug_vuln_filter );
} else {
continue;
}
$result[ $plug ] = $plug_vuln;
}
if ( 'nvd_nist' === $service && empty( $nvd_nist_token ) ) {
if ( $limit_request < $max_request ) {
// finished bulk checks.
update_option( 'mainwp_child_vuln_nvd_checking_list', '' ); // clear list.
} else {
update_option( 'mainwp_child_vuln_nvd_checking_list', wp_json_encode( $nvd_continue_checks ) );
if ( $force ) {
wp_schedule_single_event( time() + 30, 'mainwp_child_cron_plugin_vuln_nvd_continue_force_check' );
} else {
wp_schedule_single_event( time() + 30, 'mainwp_child_cron_plugin_vuln_nvd_continue_check' );
}
}
}
}
return $result;
}
/**
* Check for WP vulnerabilities.
*
* @param bool $force Whether to force check. Default: false.
* @param bool $service Selected service.
* @return bool|string|null
*/
public function check_wp( $force = false, $service = '' ) {
$wp_vuln = get_transient( 'mainwp_vulnche_trans_wp_json' );
// Get WordPress version via the shared helper method for consistency.
// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase -- Using static access for centralized version retrieval
$wp_ver = MainWP_Child_Server_Information_Base::get_wordpress_version();
$number_version = str_replace( '.', '', $wp_ver );
if ( false === $wp_vuln || $force ) {
if ( 'nvd_nist' === $service ) {
$url = $this->wpvulndb_nvd_api . '?virtualMatchString=cpe:2.3:a:wordpress:wordpress:' . $wp_ver; //phpcs:ignore -- Misspelled.
} elseif ( 'wordfence' === $service ) {
$url = $this->wordfence_api_url . 'production?keyword=wordpress';//phpcs:ignore -- Misspelled.
} else {
$url = $this->wpvulndb_api . 'wordpresses/' . $number_version;
}
$wp_vuln = $this->vulnche_get_content( $url, $service );
if ( 'nvd_nist' === $service ) {
$wp_vuln = $this->get_vuln_nvd_nist_info( $wp_vuln, 'WordPress', $wp_ver ); //phpcs:ignore -- wordpress.
$wp_vuln = wp_json_encode( $wp_vuln );
}
if ( 'wordfence' === $service ) {
$wp_vuln = $this->get_vuln_wordfence_info( $wp_vuln, 'WordPress', $wp_ver );
$wp_vuln = wp_json_encode( $wp_vuln );
}
set_transient( 'mainwp_vulnche_trans_wp_json', $wp_vuln, 1 * DAY_IN_SECONDS );
}
return $wp_vuln;
}
/**
* Check if themes have vunerabilities.
*
* @param bool $force Whether or not to force check. Default: false.
* @param bool $service Selected service.
*
* @return array Return $result array.
*/
public function check_themes( $force = false, $service = '' ) { // phpcs:ignore -- NOSONAR - ignore complex method notice.
include_once ABSPATH . '/wp-admin/includes/update.php'; // NOSONAR -- WP compatible.
require_once ABSPATH . 'wp-admin/includes/misc.php'; // NOSONAR -- WP compatible.
require_once ABSPATH . 'wp-admin/includes/theme.php'; // NOSONAR -- WP compatible.
if ( current_user_can( 'switch_themes' ) ) {
$themes = wp_prepare_themes_for_js();
} else {
$themes = wp_prepare_themes_for_js( array( wp_get_theme() ) );
}
wp_reset_vars( array( 'theme', 'search' ) );
$result = array();
if ( ! empty( $themes ) ) {
foreach ( $themes as $th ) {
if ( empty( $th['parent'] ) ) {
$th_vuln = get_transient( 'mainwp_vulnche_trans_theme_' . $th['id'] );
if ( false === $th_vuln || $force ) {
if ( 'nvd_nist' === $service ) {
$url = $this->wpvulndb_nvd_api . '?keywordSearch=' . $th['id'] . '&keywordExactMatch';
} elseif ( 'wordfence' === $service ) {
$url = $this->wordfence_api_url . 'production?keyword=' . $th['id'];
} else {
$url = $this->wpvulndb_api . 'themes/' . $th['id'];
}
$th_vuln = $this->vulnche_get_content( $url, $service );
set_transient( 'mainwp_vulnche_trans_theme_' . $th['id'], $th_vuln, 1 * DAY_IN_SECONDS );
}
if ( $th_vuln ) {
if ( 'nvd_nist' === $service ) {
$th_vuln_filter = $this->get_vuln_nvd_nist_info( $th_vuln, $th['id'], $th['version'] );
} elseif ( 'wordfence' === $service ) {
$th_vuln_filter = $this->get_vuln_wordfence_info( $th_vuln, $th['id'], $th['version'] );
} else {
$th_vuln = json_decode( $th_vuln, true );
$th_vuln_filter = $th_vuln;
foreach ( $th_vuln as $slug => $th_data ) {
if ( isset( $th_data['vulnerabilities'] ) && count( $th_data['vulnerabilities'] ) > 0 ) {
$th_vulner_data = array();
foreach ( $th_data['vulnerabilities'] as $vuln_data ) {
if ( empty( $vuln_data ) ) {
continue;
}
if ( isset( $vuln_data['fixed_in'] ) && version_compare( $th['version'], $vuln_data['fixed_in'] ) >= 0 ) {
continue;
}
$th_vulner_data[] = $vuln_data;
}
if ( empty( $th_vulner_data ) ) {
unset( $th_vuln_filter[ $slug ] );
} else {
$th_vuln_filter[ $slug ]['vulnerabilities'] = $th_vulner_data;
}
} else {
unset( $th_vuln_filter[ $slug ] );
}
}
}
if ( empty( $th_vuln_filter ) ) {
continue;
}
$th_vuln = wp_json_encode( $th_vuln_filter );
} else {
continue;
}
$result[ $th['id'] ]['vulner_data'] = $th_vuln;
$result[ $th['id'] ]['name'] = $th['name'];
$result[ $th['id'] ]['author'] = $th['author'];
$result[ $th['id'] ]['detected_version'] = $th['version'];
}
}
}
return $result;
}
/**
* Check if content is vulnerable.
*
* @param mixed $data data of check.
* @param string $slug slug.
* @param string $version Current version.
*
* @return bool|string|null
*/
public function get_vuln_nvd_nist_info( $data, $slug, $version ) { // phpcs:ignore -- NOSONAR - ignore complex method notice.
$data = ! empty( $data ) ? json_decode( $data, true ) : array();
$filtered_data = array();
if ( is_array( $data ) && isset( $data['vulnerabilities'] ) ) {
$vulns = array();
foreach ( $data['vulnerabilities'] as $item ) {
$info = array();
if ( isset( $item['cve']['published'] ) ) {
$info['date'] = $item['cve']['published'];
}
if ( isset( $item['cve']['descriptions'][0]['value'] ) ) {
$info['detail'] = $item['cve']['descriptions'][0]['value'];
}
$version_missed = true;
if ( ! empty( $info ) ) {
$info['cve_id'] = $item['cve']['id'];
$info['slug'] = $slug;
if ( isset( $item['cve']['metrics']['cvssMetricV31'][0]['cvssData'] ) ) {
$cvss = $item['cve']['metrics']['cvssMetricV31'][0]['cvssData'];
$info['cvss_score'] = $cvss['baseScore'];
$info['cvss_rating'] = $cvss['baseSeverity'];
} elseif ( isset( $item['cve']['metrics']['cvssMetricV30'][0]['cvssData'] ) ) {
$cvss = $item['cve']['metrics']['cvssMetricV30'][0]['cvssData'];
$info['cvss_score'] = $cvss['baseScore'];
$info['cvss_rating'] = $cvss['baseSeverity'];
} elseif ( isset( $item['cve']['metrics']['cvssMetricV2'][0]['cvssData'] ) ) {
$cvss = $item['cve']['metrics']['cvssMetricV2'][0]['cvssData'];
$info['cvss_score'] = $cvss['baseScore'];
$info['cvss_rating'] = isset( $item['cve']['metrics']['cvssMetricV2'][0]['baseSeverity'] ) ? $item['cve']['metrics']['cvssMetricV2'][0]['baseSeverity'] : '';
}
$fixed = false;
if ( 'wordpress' === $slug ) { //phpcs:ignore -- wordpress.
$founded = false;
if ( isset( $item['configurations'] ) && isset( $item['configurations'][0]['nodes'] ) ) {
foreach ( $item['configurations'][0]['nodes'] as $conf_node ) {
if ( isset( $conf_node['cpe_match'] ) ) {
foreach ( $conf_node['cpe_match'] as $cpe_match ) {
if ( ! isset( $cpe_match['cpe23Uri'] ) || false === stripos( $cpe_match['cpe23Uri'], 'cpe:2.3:a:wordpress:wordpress' ) ) { //phpcs:ignore --Misspelled.
continue;
}
$founded = true;
if ( isset( $cpe_match['versionEndExcluding'] ) ) {
$version_end_excluding = $cpe_match['versionEndExcluding'];
if ( version_compare( $version, $version_end_excluding ) >= 0 ) {
$fixed = true; // to continue.
}
$version_missed = false;
} elseif ( isset( $cpe_match['versionEndIncluding'] ) ) {
$version_end_including = $cpe_match['versionEndIncluding'];
if ( version_compare( $version, $version_end_including ) >= 0 ) {
$fixed = true; // to continue.
}
$version_missed = false;
}
if ( $fixed ) {
break;
}
}
}
if ( ! $fixed && isset( $conf_node['children'] ) ) {
foreach ( $conf_node['children'] as $child_node ) {
if ( isset( $child_node['cpe_match'] ) ) {
foreach ( $child_node['cpe_match'] as $cpe_match ) {
if ( ! isset( $cpe_match['cpe23Uri'] ) || false === stripos( $cpe_match['cpe23Uri'], 'cpe:2.3:a:wordpress:wordpress' ) ) { //phpcs:ignore --Misspelled.
continue;
}
$founded = true;
if ( isset( $cpe_match['versionEndExcluding'] ) ) {
$version_end_excluding = $cpe_match['versionEndExcluding'];
if ( version_compare( $version, $version_end_excluding ) >= 0 ) {
$fixed = true; // to continue.
}
$version_missed = false;
} elseif ( isset( $cpe_match['versionEndIncluding'] ) ) {
$version_end_including = $cpe_match['versionEndIncluding'];
if ( version_compare( $version, $version_end_including ) >= 0 ) {
$fixed = true; // to continue.
}
$version_missed = false;
}
if ( $fixed ) {
break;
}
}
}
}
}
}
}
if ( ! $founded ) {
continue;
}
} elseif ( isset( $item['configurations'] ) && isset( $item['configurations'][0]['nodes'] ) ) {
foreach ( $item['configurations'][0]['nodes'] as $conf_node ) {
if ( isset( $conf_node['cpe_match'] ) ) {
foreach ( $conf_node['cpe_match'] as $cpe_match ) {
if ( isset( $cpe_match['versionEndExcluding'] ) ) {
$version_end_excluding = $cpe_match['versionEndExcluding'];
if ( version_compare( $version, $version_end_excluding ) >= 0 ) {
$fixed = true; // to continue.
}
$version_missed = false;
} elseif ( isset( $cpe_match['versionEndIncluding'] ) ) {
$version_end_including = $cpe_match['versionEndIncluding'];
if ( version_compare( $version, $version_end_including ) >= 0 ) {
$fixed = true; // to continue.
}
$version_missed = false;
}
if ( $fixed ) {
break;
}
}
}
if ( ! $fixed && isset( $conf_node['children'] ) ) {
foreach ( $conf_node['children'] as $child_node ) {
if ( isset( $child_node['cpe_match'] ) ) {
foreach ( $child_node['cpe_match'] as $cpe_match ) {
if ( isset( $cpe_match['versionEndExcluding'] ) ) {
$version_end_excluding = $cpe_match['versionEndExcluding'];
if ( version_compare( $version, $version_end_excluding ) >= 0 ) {
$fixed = true; // to continue.
}
$version_missed = false;
} elseif ( isset( $cpe_match['versionEndIncluding'] ) ) {
$version_end_including = $cpe_match['versionEndIncluding'];
if ( version_compare( $version, $version_end_including ) >= 0 ) {
$fixed = true; // to continue.
}
$version_missed = false;
}
if ( $fixed ) {
break;
}
}
}
}
}
}
} elseif ( isset( $item['cve']['configurations'] ) && isset( $item['cve']['configurations'][0]['nodes'] ) ) {
// nvd_nist plugins & themes filter.
foreach ( $item['cve']['configurations'][0]['nodes'] as $conf_node ) {
if ( isset( $conf_node['cpeMatch'] ) ) {
foreach ( $conf_node['cpeMatch'] as $cpe_match ) {
if ( isset( $cpe_match['versionEndExcluding'] ) ) {
$version_end_excluding = $cpe_match['versionEndExcluding'];
if ( version_compare( $version, $version_end_excluding ) >= 0 ) {
$fixed = true; // to continue.
}
$version_missed = false;
} elseif ( isset( $cpe_match['versionEndIncluding'] ) ) {
$version_end_including = $cpe_match['versionEndIncluding'];
if ( version_compare( $version, $version_end_including ) >= 0 ) {
$fixed = true; // to continue.
}
$version_missed = false;
}
if ( $fixed ) {
break;
}
}
}
if ( ! $fixed && isset( $conf_node['children'] ) ) {
foreach ( $conf_node['children'] as $child_node ) {
if ( isset( $child_node['cpeMatch'] ) ) {
foreach ( $child_node['cpeMatch'] as $cpe_match ) {
if ( isset( $cpe_match['versionEndExcluding'] ) ) {
$version_end_excluding = $cpe_match['versionEndExcluding'];
if ( version_compare( $version, $version_end_excluding ) >= 0 ) {
$fixed = true; // to continue.
}
$version_missed = false;
} elseif ( isset( $cpe_match['versionEndIncluding'] ) ) {
$version_end_including = $cpe_match['versionEndIncluding'];
if ( version_compare( $version, $version_end_including ) >= 0 ) {
$fixed = true; // to continue.
}
$version_missed = false;
}
if ( $fixed ) {
break;
}
}
}
}
}
}
}
// Plugin was found to be past the vulnerability date.
if ( $fixed ) {
continue;
}
if ( $version_missed ) {
$info['missed_version'] = 1;
}
$vulns[] = $info;
}
}
$filtered_data[ $slug ]['vulnerabilities'] = $vulns;
}
return $filtered_data;
}
/**
* Check if content is vulnerable.
*
* @param string $url URL to check.
* @param string $service service to check.
*
* @return bool|string|null
*/
public function vulnche_get_content( $url, $service = '' ) { //phpcs:ignore -- NOSONAR - complexity.
//phpcs:disable WordPress.WP.AlternativeFunctions
if ( 'wordfence' === $service ) {
$typeName = explode( '=', $url );
if ( empty( $this->wordfenceJson ) ) {
$ch = curl_init();
curl_setopt( $ch, CURLOPT_URL, $url );
curl_setopt( $ch, CURLOPT_HEADER, 0 );
curl_setopt( $ch, CURLOPT_USERAGENT, $this->get_random_user_agent() );
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, true );
$response = curl_exec( $ch );
$this->wordfenceJson = json_decode( $response, true );
}
$output = array();
if ( ! empty( $this->wordfenceJson ) && is_array( $this->wordfenceJson ) ) {
foreach ( $this->wordfenceJson as $feed ) {
if ( ! empty( $typeName[1] ) && ! empty( $feed['software'][0]['slug'] ) && $typeName[1] === $feed['software'][0]['slug'] ) {
$output[] = $feed;
}
}
}
$data = array(
'resultsPerPage' => count( $output ),
'startIndex' => 0,
'totalResults' => count( $output ),
'result' => array(
'CVE_Items' => $output,
),
);
return json_encode( $data );
} else {
$ch = curl_init();
curl_setopt( $ch, CURLOPT_URL, $url );
curl_setopt( $ch, CURLOPT_HEADER, 0 );
if ( 'nvd_nist' !== $service ) {
$encrypted = get_transient( 'mainwp_child_trans_wpvulndb_tk' );
$wpvulndb_token = MainWP_Child_Keys_Manager::instance()->decrypt_string( $encrypted );
if ( empty( $wpvulndb_token ) ) {
if ( 'resource' === gettype( $ch ) ) {
curl_close( $ch );
}
return false;
}
curl_setopt( $ch, CURLOPT_HTTPHEADER, array( 'Authorization: Token token=' . $wpvulndb_token ) );
} else {
$encrypted = get_transient( 'mainwp_child_trans_nvd_nist_tk' );
$nvd_nist_token = MainWP_Child_Keys_Manager::instance()->decrypt_string( $encrypted );
if ( ! empty( $nvd_nist_token ) ) {
curl_setopt(
$ch,
CURLOPT_HTTPHEADER,
array(
"apiKey: $nvd_nist_token",
'Content-Type: application/json',
)
);
}
}
curl_setopt( $ch, CURLOPT_USERAGENT, $this->get_random_user_agent() );
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
$output = curl_exec( $ch );
$info = curl_getinfo( $ch, CURLINFO_HTTP_CODE );
if ( 'resource' === gettype( $ch ) ) {
curl_close( $ch );
}
// phpcs:enable WordPress.WP.AlternativeFunctions
if ( false === $output || 200 !== (int) $info ) {
$output = null;
}
return $output;
}
}
/**
* Get random useragent.
*
* @return string User agent string.
*/
public function get_random_user_agent() {
$someUA = array(
'Mozilla/5.0 (Windows; U; Windows NT 6.0; fr; rv:1.9.1b1) Gecko/20081007 Firefox/3.1b1',
'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.1) Gecko/2008070208 Firefox/3.0.0',
'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/525.19 (KHTML, like Gecko) Chrome/0.4.154.18 Safari/525.19',
'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/525.13 (KHTML, like Gecko) Chrome/0.2.149.27 Safari/525.13',
'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30)',
'Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.40607)',
'Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.1; .NET CLR 1.1.4322)',
'Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.1; .NET CLR 1.0.3705; Media Center PC 3.1; Alexa Toolbar; .NET CLR 1.1.4322; .NET CLR 2.0.50727)',
'Mozilla/45.0 (compatible; MSIE 6.0; Windows NT 5.1)',
'Mozilla/4.08 (compatible; MSIE 6.0; Windows NT 5.1)',
'Mozilla/4.01 (compatible; MSIE 6.0; Windows NT 5.1)',
);
$i = wp_rand( 0, count( $someUA ) - 1 );
return $someUA[ $i ];
}
}