WordPress < 3.0.3 Access Restriction Bypass 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,
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
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CPE = "cpe:/a:wordpress:wordpress";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.104457");
  script_version("2023-03-01T10:20:05+0000");
  script_tag(name:"last_modification", value:"2023-03-01 10:20:05 +0000 (Wed, 01 Mar 2023)");
  script_tag(name:"creation_date", value:"2022-12-08 14:49:20 +0000 (Thu, 08 Dec 2022)");
  script_tag(name:"cvss_base", value:"6.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:P/I:P/A:P");

  script_cve_id("CVE-2010-5106");

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

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

  script_name("WordPress < 3.0.3 Access Restriction Bypass Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2022 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("gb_wordpress_http_detect.nasl");
  script_mandatory_keys("wordpress/detected");

  script_tag(name:"summary", value:"WordPress is prone to an access restriction bypass
  vulnerability.");

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

  script_tag(name:"insight", value:"The XML-RPC remote publishing interface in xmlrpc.php does not
  properly check capabilities, which allows remote authenticated users to bypass intended access
  restrictions, and publish, edit, or delete posts, by leveraging the Author or Contributor role.");

  script_tag(name:"affected", value:"WordPress versions prior to 3.0.3.");

  script_tag(name:"solution", value:"Update to version 3.0.3 or later.");

  script_xref(name:"URL", value:"https://www.openwall.com/lists/oss-security/2012/09/14/10");

  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: "3.0.3")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.0.3", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);