WordPress Funnel Builder Plugin < 1.6.13 XSS Vulnerability

# Copyright (C) 2021 Greenbone Networks GmbH
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

CPE = "cpe:/a:cartflows:funnel_builder";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.146161");
  script_version("2022-07-19T10:11:08+0000");
  script_tag(name:"last_modification", value:"2022-07-19 10:11:08 +0000 (Tue, 19 Jul 2022)");
  script_tag(name:"creation_date", value:"2021-06-22 04:35:49 +0000 (Tue, 22 Jun 2021)");
  script_tag(name:"cvss_base", value:"3.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:S/C:N/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-06-11 19:19:00 +0000 (Fri, 11 Jun 2021)");

  script_cve_id("CVE-2021-24330");

  script_tag(name:"qod_type", value:"remote_banner");

  script_tag(name:"solution_type", value:"VendorFix");

  script_name("WordPress Funnel Builder Plugin < 1.6.13 XSS Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("gb_wordpress_plugin_http_detect.nasl");
  script_mandatory_keys("wordpress/plugin/cartflows/detected");

  script_tag(name:"summary", value:"The WordPress plugin 'Funnel Builder by CartFlows' is prone to a
  cross-site scripting (XSS) vulnerability.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"The Funnel Builder by CartFlows - Create High Converting Sales
  Funnels For WordPress plugin does not sanitise its facebook_pixel_id and google_analytics_id
  settings, allowing high privilege users to set XSS payload in them, which will either be executed
  on pages generated by the plugin, or the whole website depending on the settings used.");

  script_tag(name:"affected", value:"WordPress Funnel Builder by CartFlows plugin through version
  1.6.12.");

  script_tag(name:"solution", value:"Update to version 1.6.13 or later.");

  script_xref(name:"URL", value:"https://wordpress.org/plugins/cartflows/#developers");
  script_xref(name:"URL", value:"https://wpscan.com/vulnerability/b9748066-83b7-4762-9124-de021f687477");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if (!port = get_app_port(cpe: CPE))
  exit(0);

if (!infos = get_app_version_and_location(cpe: CPE, port: port, exit_no_version: TRUE))
  exit(0);

version = infos["version"];
location = infos["location"];

if (version_is_less(version: version, test_version: "1.6.13")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "1.6.13", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);