WordPress < 6.5 Private Information Exposure Vulnerability

# SPDX-FileCopyrightText: 2024 Greenbone AG
# 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-only

CPE = "cpe:/a:wordpress:wordpress";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.114477");
  script_version("2025-01-13T08:32:03+0000");
  script_tag(name:"last_modification", value:"2025-01-13 08:32:03 +0000 (Mon, 13 Jan 2025)");
  script_tag(name:"creation_date", value:"2024-04-09 16:04:33 +0000 (Tue, 09 Apr 2024)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2024-04-05 13:15:07 +0000 (Fri, 05 Apr 2024)");

  script_cve_id("CVE-2023-5692");

  # nb: This might need to be split into a remote_banner and remote_banner_unreliable later on
  # if it turns out that backports are actually getting done.
  script_tag(name:"qod_type", value:"remote_banner");

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

  script_name("WordPress < 6.5 Private Information Exposure Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2024 Greenbone AG");
  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 a private information exposure via
  'redirect_guess_404_permalink()'.");

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

  script_tag(name:"insight", value:"When guessing the proper URL to redirect a 404, WordPress only
  considers the post statuses and not the proper post type privacy settings, leading to potential
  information disclosure.");

  script_tag(name:"impact", value:"This can allow unauthenticated attackers to expose the slug of a
  custom post whose 'publicly_queryable' post status has been set to 'false'.");

  script_tag(name:"affected", value:"WordPress versions prior to 6.5.");

  script_tag(name:"solution", value:"Update to version 6.5 or later.

  Note: As of 04/2024 the security fix is only available in version 6.5 and haven't been
  'backported' to older versions yet.");

  script_xref(name:"URL", value:"https://core.trac.wordpress.org/ticket/59795");
  script_xref(name:"URL", value:"https://core.trac.wordpress.org/changeset/57645");
  script_xref(name:"URL", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2273662");
  script_xref(name:"URL", value:"https://www.wordfence.com/threat-intel/vulnerabilities/id/6e6f993b-ce09-4050-84a1-cbe9953f36b1");
  script_xref(name:"URL", value:"https://patchstack.com/database/vulnerability/wordpress/wordpress-wordpress-core-plugin-6-4-3-sensitive-information-exposure-via-redirect-guess-404-permalink-vulnerability");

  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: "6.5")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "6.5", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);