MODX CMS Detection (HTTP)

# SPDX-FileCopyrightText: 2016 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("1.3.6.1.4.1.25623.1.0.106458");
  script_version("2025-03-19T05:38:35+0000");
  script_tag(name:"last_modification", value:"2025-03-19 05:38:35 +0000 (Wed, 19 Mar 2025)");
  script_tag(name:"creation_date", value:"2016-12-09 11:42:44 +0700 (Fri, 09 Dec 2016)");
  script_tag(name:"cvss_base", value:"0.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:N");

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

  script_name("MODX CMS Detection (HTTP)");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_family("Product detection");
  script_dependencies("find_service.nasl", "no404.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl", "gb_php_http_detect.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 443);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"summary", value:"HTTP based detection of MODX CMS.");

  script_xref(name:"URL", value:"https://modx.com/");

  exit(0);
}

include("cpe.inc");
include("host_details.inc");
include("http_func.inc");
include("http_keepalive.inc");
include("list_array_func.inc");
include("port_service_func.inc");

port = http_get_port(default: 443);

if (!http_can_host_php(port: port))
  exit(0);

foreach dir (make_list_unique("/", "/modx", "/evolution", "/revolution", http_cgi_dirs(port: port))) {
  install = dir;
  if (dir == "/")
    dir = "";

  url = dir + "/manager/index.php";

  res = http_get_cache(port: port, item: url);

  if (("http://modx.com/about/" >< res && "modx-login-username-reset" >< res) ||
      ("http://modx.com/" >< res && ">MODX</a>. <strong>MODX</strong>" >< res) ||
      "<title>MODX-CMF-Manager-Login" >< res || "(MODX CMF Manager Login)</title>" >< res ||
      "<title>MODx CMF Manager Login</title>" >< res ||
      "<title>MODx CMF Manager-Login</title>" >< res ||
      'alt="MODX CMS/CMF"' >< res ||
      res =~ "X-Powered-By\s*:\s*MODX (Revolution|Evolution)" ||
      "Evolution CMS Manager Login" >< res) {
    version = "unknown";
    base_cpe = "cpe:/a:modx:unknown";
    cms_type = "Unknown Variant";
    conclUrl = "  " + http_report_vuln_url(port: port, url: url, url_only: TRUE);

    # MODX Revolution
    url = dir + "/core/docs/changelog.txt";

    req = http_get(port: port, item: url);
    res2 = http_keepalive_send_recv(port: port, data: req);

    vers = eregmatch(pattern: "MOD(X|x) Revolution ([0-9.]+(-rc[1-9]+)?)", string: res2);
    if (!isnull(vers[2])) {
      conclUrl += '\n  ' + http_report_vuln_url(port: port, url: url, url_only: TRUE);
      version = vers[2];
      base_cpe = "cpe:/a:modx:revolution";
      cms_type = "Revolution";
    } else {
      # MODX Evolution
      url = dir + "/assets/docs/changelog.txt";

      req = http_get(port: port, item: url);
      res2 = http_keepalive_send_recv(port: port, data: req);

      vers = eregmatch(pattern: "MODX Evolution ([0-9.]+(-rc[1-9]+)?)", string: res2);
      if (!isnull(vers[1])) {
        conclUrl += '\n  ' + http_report_vuln_url(port: port, url: url, url_only: TRUE);
        version = vers[1];
        base_cpe = "cpe:/a:modx:evolution";
        cms_type = "Evolution";
      }
    }

    # Second try if we don't know the CMS variant yet.
    if (cms_type == "Unknown Variant") {
      # MODX Revolution
      if ("MODX Revolution</title>" >< res || "<h2>MODx Revolution</h2>" >< res ||
          res =~ "X-Powered-By\s*:\s*MODX Revolution") {
        base_cpe = "cpe:/a:modx:revolution";
        cms_type = "Revolution";
      } else {
        # MODX Evolution
        url = dir + "/README.md";

        req = http_get(port: port, item: url);
        res2 = http_keepalive_send_recv(port: port, data: req);
        if ("# MODX Evolution" >< res2) {
          base_cpe = "cpe:/a:modx:evolution";
          cms_type = "Evolution";
          conclUrl += '\n  ' + http_report_vuln_url(port: port, url: url, url_only: TRUE);
        } else if ( ">MODx CMF Team</a>" >< res) {
          base_cpe = "cpe:/a:modx:evolution";
          cms_type = "Evolution";
        }
      }
    }

    set_kb_item(name: "modx/cms/detected", value: TRUE);
    set_kb_item(name: "modx/cms/http/detected", value: TRUE);

    cpe = build_cpe(value: version, exp: "^([0-9.]+(-rc[1-9]+)?)", base: base_cpe + ":");
    if (!cpe)
      cpe = base_cpe;

    register_product(cpe: cpe, location: install, port: port, service: "www");

    log_message(data: build_detection_report(app:"MODX " + cms_type + " CMS", version: version,
                                             install: install, cpe: cpe, concluded: vers[0],
                                             concludedUrl: conclUrl),
                port: port);
    exit(0);
  }
}

exit(0);