WordPress Remove Footer Credit Plugin < 1.0.6 CSRF 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:wpchill:remove_footer_credit";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.147677");
  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:"2022-02-22 03:54:30 +0000 (Tue, 22 Feb 2022)");
  script_tag(name:"cvss_base", value:"6.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:S/C:P/I:P/A:P");
  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:"2022-02-19 04:36:00 +0000 (Sat, 19 Feb 2022)");

  script_cve_id("CVE-2021-24446");

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

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

  script_name("WordPress Remove Footer Credit Plugin < 1.0.6 CSRF 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/remove-footer-credit/detected");

  script_tag(name:"summary", value:"The WordPress plugin 'Remove Footer Credit' is prone to a
  cross-site request forgery (CSRF) vulnerability.");

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

  script_tag(name:"insight", value:"The plugin does not have CSRF check in place when saving its
  settings, which could allow attacker to make logged in admins change them and lead to Stored XSS
  issue as well due to the lack of sanitisation.");

  script_tag(name:"affected", value:"WordPress Remove Footer Credit version 1.0.5 and prior.");

  script_tag(name:"solution", value:"Update to version 1.0.6 or later.");

  script_xref(name:"URL", value:"https://wpscan.com/vulnerability/be55131b-d9f2-4ac1-b667-c544c066887f");

  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: "1.0.6")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "1.0.6", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);