WordPress Contavt Form 7 Datepicker Plugin <= 2.6.0 XSS Vulnerability

# SPDX-FileCopyrightText: 2020 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("1.3.6.1.4.1.25623.1.0.112730");
  script_version("2024-11-01T05:05:36+0000");
  script_tag(name:"last_modification", value:"2024-11-01 05:05:36 +0000 (Fri, 01 Nov 2024)");
  script_tag(name:"creation_date", value:"2020-04-06 11:39:12 +0000 (Mon, 06 Apr 2020)");
  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:"2020-04-10 17:01:00 +0000 (Fri, 10 Apr 2020)");

  script_cve_id("CVE-2020-11516");

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

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

  script_name("WordPress Contavt Form 7 Datepicker Plugin <= 2.6.0 XSS Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2020 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_wordpress_plugin_http_detect.nasl");
  script_mandatory_keys("wordpress/plugin/contact-form-7-datepicker/detected");

  script_tag(name:"summary", value:"The WordPress plugin 'Contact Form 7 Datepicker' is prone to a stored
  cross-site scripting (XSS) vulnerability.");

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

  script_tag(name:"insight", value:"The plugin allows users to add a datepicker to forms generated
  by Contact Form 7, and it includes the ability to modify settings for these datepickers.
  In order to process these settings, it registered an AJAX action calling a function that failed to
  include a capability check or a nonce check.");

  script_tag(name:"impact", value:"It is possible for a logged-in attacker with minimal permissions,
  such as a subscriber, to send a crafted request containing malicious JavaScript which would be stored in the plugin's settings.");

  script_tag(name:"affected", value:"WordPress plugin Contact Form 7 Datepicker through version 2.6.0.");

  script_tag(name:"solution", value:"As the Contact Form 7 Datepicker plugin is no longer being maintained, it will likely not ever be patched.
  Therefore it is recommended to deactivate and remove the plugin and search for an alternative plugin with similar functionality.");

  script_xref(name:"URL", value:"https://wordpress.org/plugins/contact-form-7-datepicker/#developers");
  script_xref(name:"URL", value:"https://www.wordfence.com/blog/2020/04/high-severity-vulnerability-leads-to-closure-of-plugin-with-over-100000-installations/");

  exit(0);
}

CPE = "cpe:/a:contact-form-7-datepicker_project:contact-form-7-datepicker";

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: "2.6.0" ) ) {
  report = report_fixed_ver( installed_version: version, fixed_version: "None", install_path: location );
  security_message( port: port, data: report );
  exit( 0 );
}

exit( 99 );