FancyBox for WordPress XSS Vulnerability

# SPDX-FileCopyrightText: 2015 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:wordpress:wordpress";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.105958");
  script_version("2023-07-25T05:05:58+0000");
  script_tag(name:"last_modification", value:"2023-07-25 05:05:58 +0000 (Tue, 25 Jul 2023)");
  script_tag(name:"creation_date", value:"2015-03-02 09:33:03 +0700 (Mon, 02 Mar 2015)");
  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_type", value:"remote_banner");

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

  script_cve_id("CVE-2015-1494");

  script_name("FancyBox for WordPress XSS Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2015 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_wordpress_http_detect.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("wordpress/http/detected");

  script_tag(name:"summary", value:"FancyBox for WordPress is prone to an XSS vulnerability.");

  script_tag(name:"vuldetect", value:"Tries to detect the version of FancyBox plugin.");

  script_tag(name:"insight", value:"The FancyBox for WordPress plugin before 3.0.3 does not
  properly restrict access, which allows remote attackers to conduct XSS attacks via the mfbfw parameter
  in an update action to wp-admin/admin-post.php.");

  script_tag(name:"impact", value:"Remote attackers may be able to inject arbitrary web script
  or HTML.");

  script_tag(name:"affected", value:"FancyBox for WordPress 3.0.2 and below");

  script_tag(name:"solution", value:"Upgrade to FancyBox for WordPress 3.0.3 or later.");

  script_xref(name:"URL", value:"http://blog.sucuri.net/2015/02/zero-day-in-the-fancybox-for-wordpress-plugin.html");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/72506");
  script_xref(name:"URL", value:"http://www.exploit-db.com/exploits/36087/");
  script_xref(name:"URL", value:"https://wordpress.org/plugins/fancybox-for-wordpress/changelog/");

  exit(0);
}

include("http_func.inc");
include("http_keepalive.inc");
include("host_details.inc");
include("version_func.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 + "/wp-content/plugins/fancybox-for-wordpress/readme.txt";

res = http_get_cache(port:port, item:url);

if (res && res =~ "^HTTP/1\.[01] 200") {
  version = eregmatch(pattern:'Stable tag: ([0-9.]+)', string:res);

  if (version && version_is_less(version:version[1], test_version:"3.0.3")) {
    report = report_fixed_ver(installed_version:version[1], fixed_version:"3.0.3", file_checked:url);
    security_message(port:port, data:report);
    exit(0);
  }
  exit(99);
}

exit(0);