BLOG:CMS <= 4.2.1.f 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.103178");
  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:"2011-06-08 13:54:32 +0200 (Wed, 08 Jun 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_tag(name:"qod", value:"50"); # Prone to false positives

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

  script_name("BLOG:CMS <= 4.2.1.f Multiple XSS Vulnerabilities - 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:"BLOG:CMS 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
  let the attacker steal cookie-based authentication credentials and launch other attacks.");

  script_tag(name:"affected", value:"BLOG:CMS version 4.2.1.f and prior.");

  script_tag(name:"solution", value:"See the references for a solution.");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/48132");
  script_xref(name:"URL", value:"http://www.rul3z.de/advisories/SSCHADV2011-007.txt");

  exit(0);
}

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( "/blog", "/cms", http_cgi_dirs( port:port ) ) ) {

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

  res = http_get_cache( port:port, item:dir + "/photo/templates/admin_default/confirm.tpl.php" );
  if( res !~ "^HTTP/1\.[01] 200" )
    continue;

  url = dir + '/photo/templates/admin_default/confirm.tpl.php?nsextt="><script>alert(/' +
              vt_strings["lowercase"] + '/);</script>';

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

exit( 99 );