FlatPress <= 1.2.1 XSS Vulnerability (Sep 2021)

# SPDX-FileCopyrightText: 2022 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:flatpress:flatpress";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.124088");
  script_version("2023-06-29T05:05:23+0000");
  script_tag(name:"last_modification", value:"2023-06-29 05:05:23 +0000 (Thu, 29 Jun 2023)");
  script_tag(name:"creation_date", value:"2022-06-28 09:02:25 +0000 (Tue, 28 Jun 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:"2022-06-29 15:17:00 +0000 (Wed, 29 Jun 2022)");

  script_cve_id("CVE-2021-41432");

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

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

  script_name("FlatPress <= 1.2.1 XSS Vulnerability (Sep 2021)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2022 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_flatpress_http_detect.nasl");
  script_mandatory_keys("flatpress/detected");

  script_tag(name:"summary", value:"FlatPress is prone to a cross-site scripting (XSS)
  vulnerability in the blog content.");

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

  script_tag(name:"affected", value:"FlatPress version 1.2.1 and prior.");

  script_tag(name:"solution", value:"No known solution was made available for at least one year since
  the disclosure of this vulnerability. Likely none will be provided anymore. General solution options
  are to upgrade to a newer release, disable respective features, remove the product or replace the
  product by another one.");
  # Vendor has closed below linked issue with 'Adding JS to your entries is by design. Nothing to fix
  # here until further notice.'

  script_xref(name:"URL", value:"https://github.com/flatpressblog/flatpress/issues/88");

  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_equal(version: version, test_version: "1.2.1")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "None", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(0);