WordPress Post Duplicator Plugin < 2.27 XSS 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:metaphorcreations:post_duplicator";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.147920");
  script_version("2023-01-17T10:10:58+0000");
  script_tag(name:"last_modification", value:"2023-01-17 10:10:58 +0000 (Tue, 17 Jan 2023)");
  script_tag(name:"creation_date", value:"2022-04-05 03:24:07 +0000 (Tue, 05 Apr 2022)");
  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:L/UI:R/S:C/C:L/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-03-12 04:10:00 +0000 (Sat, 12 Mar 2022)");

  script_cve_id("CVE-2021-33852");

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

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

  script_name("WordPress Post Duplicator Plugin < 2.27 XSS 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/post-duplicator/detected");

  script_tag(name:"summary", value:"The WordPress plugin 'Post Duplicator' 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 XSS payload given in the 'Duplicate Title' text box
  executes whenever the user opens the Settings Page of the Post Duplicator Plugin or the
  application root page after duplicating any of the existing posts.");

  script_tag(name:"affected", value:"WordPress Post Duplicator plugin prior to version 2.27.");

  script_tag(name:"solution", value:"Update to version 2.27 or later.");

  script_xref(name:"URL", value:"https://cybersecurityworks.com/zerodays/cve-2021-33852-stored-cross-site-scripting-in-wordpress-post-duplicator-plugin-2-23.html");
  script_xref(name:"URL", value:"https://wpscan.com/vulnerability/3288b339-fe27-4706-b511-5b8586c9d370");

  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: "2.27")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "2.27", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);