Alt-N MDaemon 20.0.x < 20.0.9 / 21.0.x < 21.0.8 / 21.5.x < 21.5.6 / 22.0.x < 22.0.7 / 23.0.x < 23.0.4 / 23.5.x < 23.5.5 / 24.0.x < 24.0.4 / 24.5.x < 24.5.3 / 25.0.x < 25.0.3 Stored XSS

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(331342);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/07/31");

  script_cve_id("CVE-2025-3929");
  script_cwe_id(79);

  script_name(english:"Alt-N MDaemon 20.0.x < 20.0.9 / 21.0.x < 21.0.8 / 21.5.x < 21.5.6 / 22.0.x < 22.0.7 / 23.0.x < 23.0.4 / 23.5.x < 23.5.5 / 24.0.x < 24.0.4 / 24.5.x < 24.5.3 / 25.0.x < 25.0.3 Stored XSS");

  script_set_attribute(attribute:"synopsis", value:
"A mail server on the remote Windows host is affected by a cross-site
scripting vulnerability.");
  script_set_attribute(attribute:"description", value:
"The remote Windows host is running a version of MDaemon Email Server
that is affected by a stored cross-site scripting (XSS) vulnerability.
An attacker can send a specially crafted HTML e-mail message with
JavaScript in an img tag. This could allow a remote attacker to load
arbitrary JavaScript code in the context of a webmail user's browser
window, and access user data.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://mdaemon.com/pages/downloads-critical-updates");
  script_set_attribute(attribute:"solution", value:
"Upgrade to MDaemon Email Server version 20.0.9, 21.0.8, 21.5.6,
22.0.7, 23.0.4, 23.5.5, 24.0.4, 24.5.3, 25.0.3, or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-3929");

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/04/29");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/04/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/07/31");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:altn:mdaemon");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("mdaemon_email_server_win_installed.nbin");
  script_require_keys("installed_sw/MDaemon Email Server");

  exit(0);
}

include('vdf.inc');

# @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'checks': [
    {
      'product': {'name': 'MDaemon Email Server', 'type': 'app'},
      'check_algorithm': 'default',
      'constraints': [
        {'min_version': '20.0.0', 'fixed_version': '20.0.9'},
        {'min_version': '21.0.0', 'fixed_version': '21.0.8'},
        {'min_version': '21.5.0', 'fixed_version': '21.5.6'},
        {'min_version': '22.0.0', 'fixed_version': '22.0.7'},
        {'min_version': '23.0.0', 'fixed_version': '23.0.4'},
        {'min_version': '23.5.0', 'fixed_version': '23.5.5'},
        {'min_version': '24.0.0', 'fixed_version': '24.0.4'},
        {'min_version': '24.5.0', 'fixed_version': '24.5.3'},
        {'min_version': '25.0.0', 'max_version': '25.0.1', 'fixed_version': '25.0.3'}
      ]
    }
  ]
};

var result = vdf::check_and_report(vuln_data:vuln_data, severity:SECURITY_WARNING, flags:{'xss':TRUE});
vdf::handle_check_and_report_errors(vdf_result:result);