MODX Revolution CMS XSS Vulnerability

# SPDX-FileCopyrightText: 2017 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:modx:revolution";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.140530");
  script_version("2024-03-04T14:37:58+0000");
  script_tag(name:"last_modification", value:"2024-03-04 14:37:58 +0000 (Mon, 04 Mar 2024)");
  script_tag(name:"creation_date", value:"2017-11-24 09:41:29 +0700 (Fri, 24 Nov 2017)");
  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:"2017-12-01 15:08:00 +0000 (Fri, 01 Dec 2017)");

  script_cve_id("CVE-2017-1000223");

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

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

  script_name("MODX Revolution CMS XSS Vulnerability");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2017 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_modx_cms_detect.nasl");
  script_mandatory_keys("modx_cms/installed");

  script_tag(name:"summary", value:"MODX Revolution CMS is prone to a cross-site scripting vulnerability.");

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

  script_tag(name:"insight", value:"A stored web content injection vulnerability (WCI, a.k.a XSS) is present in
MODX Revolution CMS. An authenticated user with permissions to edit users can save malicious JavaScript as a User
Group name and potentially take control over victims' accounts. This can lead to an escalation of privileges
providing complete administrative control over the CMS.");

  script_tag(name:"affected", value:"MODX Revolution version 2.5.6 and prior.");

  script_tag(name:"solution", value:"Update to version 2.5.7 or later.");

  script_xref(name:"URL", value:"https://raw.githubusercontent.com/modxcms/revolution/v2.5.7-pl/core/docs/changelog.txt");

  exit(0);
}

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

if (!port = get_app_port(cpe: CPE))
  exit(0);

if (!version = get_app_version(cpe: CPE, port: port))
  exit(0);

if (version_is_less(version: version, test_version: "2.5.7")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "2.5.7");
  security_message(port: port, data: report);
  exit(0);
}

exit(99);