CKEditor < 4.4.3 Preview Plugin Unspecified XSS Vulnerability

# Copyright (C) 2016 SCHUTZWERK 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,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.111095");
  script_version("2022-04-13T13:17:10+0000");
  script_tag(name:"last_modification", value:"2022-04-13 13:17:10 +0000 (Wed, 13 Apr 2022)");
  script_tag(name:"creation_date", value:"2016-04-17 18:00:00 +0200 (Sun, 17 Apr 2016)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");
  script_name("CKEditor < 4.4.3 Preview Plugin Unspecified XSS Vulnerability");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2016 SCHUTZWERK GmbH");
  script_family("Web application abuses");
  script_dependencies("sw_ckeditor_http_detect.nasl");
  script_mandatory_keys("ckeditor/detected");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/69161");
  script_xref(name:"URL", value:"http://ckeditor.com/release/CKEditor-4.4.3");

  script_tag(name:"summary", value:"The preview plugin for CKEditor is prone to an unspecified
  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 flaw exists because CKEditor fails to sufficiently sanitize
  user-supplied input.");

  script_tag(name:"impact", value:"An attacker may leverage this issue to execute arbitrary script
  code in the browser of an unsuspecting user in the context of the affected site. This can allow
  the attacker to steal cookie-based authentication credentials and launch other attacks.");

  script_tag(name:"affected", value:"CKEditor prior to version 4.4.3.");

  script_tag(name:"solution", value:"Update version 4.4.3 or later.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"remote_banner_unreliable"); # nb: Preview plugin might have been removed / not installed

  exit(0);
}

include("version_func.inc");
include("host_details.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 );

vers = infos["version"];
path = infos["location"];

if( version_is_less( version:vers, test_version:"4.4.3" ) ) {
  report = report_fixed_ver( installed_version:vers, fixed_version:"4.4.3", install_path:path );
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );