Vtiger CRM <= 5.2.1 Multiple XSS Vulnerabilities - Active Check

# SPDX-FileCopyrightText: 2011 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:vtiger:vtiger_crm";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.103290");
  script_version("2026-05-07T06:32:13+0000");
  script_tag(name:"last_modification", value:"2026-05-07 06:32:13 +0000 (Thu, 07 May 2026)");
  script_tag(name:"creation_date", value:"2011-10-06 13:32:57 +0200 (Thu, 06 Oct 2011)");
  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-2011-4670");

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

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

  script_name("Vtiger CRM <= 5.2.1 Multiple XSS Vulnerabilities - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2011 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_vtiger_crm_http_detect.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("vtiger/http/detected");

  script_tag(name:"summary", value:"Vtiger CRM is prone to multiple cross-site scripting (XSS)
  vulnerabilities because it fails to properly sanitize user-supplied input.");

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

  script_tag(name:"impact", value:"An attacker may leverage these issues to execute arbitrary
  script code in the browser of an unsuspecting user in the context of the affected site. This may
  allow the attacker to steal cookie-based authentication credentials and to launch other
  attacks.");

  script_tag(name:"affected", value:"Vtiger CRM version 5.2.1 and probably prior.");

  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_xref(name:"URL", value:"http://www.securityfocus.com/bid/49927");
  script_xref(name:"URL", value:"http://seclists.org/fulldisclosure/2011/Oct/154");

  exit(0);
}

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

url = dir + '/phprint.php?module=Home&action=--><script>alert(/vt-xss-test/)</script>&parenttab=MyHomePage"><script>alert(/vt-xss-test/)</script>&jt=';

if (http_vuln_check(port: port, url: url, pattern: "<script>alert\(/vt-xss-test/\)</script>",
                    check_header: TRUE)) {
  report = http_report_vuln_url(port: port, url: url);
  security_message(port:port, data: report);
  exit(0);
}

exit(99);