WordPress Advanced Custom Fields Pro Plugin 5.x < 5.12.3 File Upload Vulnerability

# Copyright (C) 2022 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:advancedcustomfields:advanced_custom_fields_pro";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.127159");
  script_version("2023-10-19T05:05:21+0000");
  script_tag(name:"last_modification", value:"2023-10-19 05:05:21 +0000 (Thu, 19 Oct 2023)");
  script_tag(name:"creation_date", value:"2022-08-25 09:11:11 +0000 (Thu, 25 Aug 2022)");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-08-23 19:16:00 +0000 (Tue, 23 Aug 2022)");

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

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

  script_cve_id("CVE-2022-2594");

  script_name("WordPress Advanced Custom Fields Pro Plugin 5.x < 5.12.3 File Upload Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2022 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("gb_wordpress_plugin_http_detect.nasl");
  script_mandatory_keys("wordpress/plugin/advanced-custom-fields-pro/detected");

  script_tag(name:"summary", value:"The WordPress plugin 'Advanced Custom Fields Pro' is prone to a
  file upload vulnerability.");

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

  script_tag(name:"insight", value:"The plugin allows unauthenticated users to upload files allowed
  in a default WP configuration if there is a frontend form available.");

  script_tag(name:"affected", value:"WordPress Advanced Custom Fields Pro versions 5.x prior to
  5.12.3.");

  script_tag(name:"solution", value:"Update to version 5.12.3 or later.");

  script_xref(name:"URL", value:"https://wpscan.com/vulnerability/3fde5336-552c-4861-8b4d-89a16735c0e2");
  script_xref(name:"URL", value:"https://www.pritect.net/blog/advanced-custom-fields-5-12-3-can-allow-unauthenticated-users-to-upload-arbitrary-files");

  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_in_range_exclusive( version: version, test_version_lo: "5.0.0", test_version_up: "5.12.3" ) ) {
  report = report_fixed_ver( installed_version: version, fixed_version: "5.12.3", install_path: location );
  security_message( data: report, port: port );
  exit( 0 );
}

exit( 99 );