WordPress Master Slider Plugin <= 3.5.8 XSS Vulnerability

# SPDX-FileCopyrightText: 2019 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

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.112530");
  script_version("2026-02-13T05:57:48+0000");
  script_tag(name:"last_modification", value:"2026-02-13 05:57:48 +0000 (Fri, 13 Feb 2026)");
  script_tag(name:"creation_date", value:"2019-03-06 10:18:00 +0100 (Wed, 06 Mar 2019)");
  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:3.0/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:"2019-01-15 16:01:00 +0000 (Tue, 15 Jan 2019)");

  script_cve_id("CVE-2018-20368");

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

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

  script_name("WordPress Master Slider Plugin <= 3.5.8 XSS Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2019 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_wordpress_plugin_http_detect.nasl");
  script_mandatory_keys("wordpress/plugin/master-slider/detected");

  script_tag(name:"summary", value:"The WordPress plugin 'Master Slider' is prone to a persistent
  cross-site scripting (XSS) vulnerability.");

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

  script_tag(name:"affected", value:"WordPress Master Slider plugin through version 3.5.8.");

  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.");

  script_xref(name:"URL", value:"https://wordpress.org/plugins/master-slider/#developers");
  script_xref(name:"URL", value:"https://www.vulnerability-lab.com/get_content.php?id=2158");

  exit(0);
}

CPE = "cpe:/a:averta:master_slider";

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: "3.5.8" ) ) {
  report = report_fixed_ver( installed_version: version, fixed_version: "None", install_path: location );
  security_message( port: port, data: report );
  exit( 0 );
}

exit( 0 );