My Little Forum XSS Vulnerability

# SPDX-FileCopyrightText: 2003 Noam Rathaus
# 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

# From: David S. Ferreira [[email protected]]
# Subject: My Little Forum XSS Attack
# Date: Tuesday 23/12/2003 08:20

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.11960");
  script_version("2023-12-13T05:05:23+0000");
  script_tag(name:"last_modification", value:"2023-12-13 05:05:23 +0000 (Wed, 13 Dec 2023)");
  script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
  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("My Little Forum XSS Vulnerability");
  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2003 Noam Rathaus");
  script_family("Web application abuses");
  script_dependencies("find_service.nasl", "no404.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl", "gb_php_http_detect.nasl", "cross_site_scripting.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_xref(name:"URL", value:"http://secunia.com/advisories/10489/");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/9286");
  script_xref(name:"URL", value:"http://xforce.iss.net/xforce/xfdb/14066");
  script_xref(name:"URL", value:"http://www.securitytracker.com/id/1008545");
  script_xref(name:"URL", value:"http://www.os2world.com/content/view/12704/79/");

  script_tag(name:"summary", value:"The remote host is running 'My Little Forum', a free CGI suite to manage
  discussion forums.

  This PHP/MySQL based forum suffers from a Cross Site Scripting vulnerability. This can be exploited by
  including arbitrary HTML or even JavaScript code in the parameters (forum_contact, category and page),
  which will be executed in user's browser session when viewed.");

  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.");

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

  script_tag(name:"qod", value:"50"); # Prone to false positives

  exit(0);
}

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

port = http_get_port( default:80 );
if( ! http_can_host_php( port:port ) ) exit( 0 );

host = http_host_name( dont_add_port:TRUE );
if( http_get_has_generic_xss( port:port, host:host ) ) exit( 0 );

quote = raw_string(0x22);

foreach dir( make_list_unique( "/", "/forum", http_cgi_dirs( port:port ) ) ) {

  if( dir == "/" ) dir = "";
  url = dir + "/email.php?forum_contact=" + quote + "><script>foo</script>";

  if( http_vuln_check( port:port, url:url, check_header:TRUE, pattern:"><script>foo</script>" ) ) {
    report = http_report_vuln_url( port:port, url:url );
    security_message( port:port, data:report );
    exit( 0 );
  }
}

exit( 99 );