Horde < 2.2.7 Help Subsystem XSS Vulnerability - Active Check

# SPDX-FileCopyrightText: 2004 George A. Theall
# 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:horde:horde_groupware";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.15605");
  script_version("2025-03-27T05:38:50+0000");
  script_tag(name:"last_modification", value:"2025-03-27 05:38:50 +0000 (Thu, 27 Mar 2025)");
  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_cve_id("CVE-2004-2741");

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

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

  script_name("Horde < 2.2.7 Help Subsystem XSS Vulnerability - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2004 George A. Theall");
  script_family("Web application abuses");
  script_dependencies("horde_http_detect.nasl");
  script_mandatory_keys("horde/http/detected");
  script_require_ports("Services/www", 443);

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

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

  script_tag(name:"insight", value:"The help subsystem is vulnerable to a cross-site scripting
  attack since information passed to the help window is not properly sanitized.");

  script_tag(name:"solution", value:"Update to version 2.2.7 or later.");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/11546");
  script_xref(name:"OSVDB", value:"11164");

  exit(0);
}

include("http_func.inc");
include("http_keepalive.inc");
include("host_details.inc");

if( ! port = get_app_port( cpe:CPE, service:"www" ) )
  exit( 0 );

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

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

# nb: if you change the URL, you probably need to change the pattern in the egrep() below.
url = dir + "/help.php?show=index&module=vttest%22%3E%3Cframe%20src=%22javascript:alert(42)%22%20";

if( http_vuln_check( port:port, url:url, pattern:'frame src="javascript:alert', check_header:TRUE ) ) {
  report = http_report_vuln_url( port:port, url:url );
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );