WordPress All in One SEO Pack Plugin < 3.6.2 XSS Vulnerability

# SPDX-FileCopyrightText: 2020 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:aioseo:all_in_one_seo";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.112796");
  script_version("2025-01-21T05:37:33+0000");
  script_tag(name:"last_modification", value:"2025-01-21 05:37:33 +0000 (Tue, 21 Jan 2025)");
  script_tag(name:"creation_date", value:"2020-08-04 09:11:00 +0000 (Tue, 04 Aug 2020)");
  script_tag(name:"cvss_base", value:"3.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:S/C:N/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-01-08 17:03:00 +0000 (Fri, 08 Jan 2021)");

  script_cve_id("CVE-2020-35946");

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

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

  script_name("WordPress All in One SEO Pack Plugin < 3.6.2 XSS Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2020 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_wordpress_plugin_http_detect.nasl");
  script_mandatory_keys("wordpress/plugin/all-in-one-seo-pack/detected");

  script_tag(name:"summary", value:"The WordPress plugin 'All in One SEO Pack' is prone to a stored cross-site scripting (XSS) vulnerability.");

  script_tag(name:"insight", value:"The SEO meta data for posts, including the SEO title and SEO description fields,
  had no input sanitization allowing lower-level users like contributors and authors the ability to inject HTML and malicious JavaScript into those fields.");

  script_tag(name:"impact", value:"If the malicious JavaScript was executed in an Administrator's browser,
  it could be used to inject backdoors or add new administrative users and take over a site.");

  script_tag(name:"affected", value:"WordPress All in One SEO Pack plugin before version 3.6.2.");

  script_tag(name:"solution", value:"Update to version 3.6.2 or later.");

  script_xref(name:"URL", value:"https://wordpress.org/plugins/all-in-one-seo-pack/#developers");
  script_xref(name:"URL", value:"https://www.wordfence.com/blog/2020/07/2-million-users-affected-by-vulnerability-in-all-in-one-seo-pack/");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if( ! port = get_app_port( cpe: CPE ) ) exit( 0 );
if( ! infos = get_app_version_and_location( cpe: CPE, port: port, exit_no_version: FALSE ) ) exit( 0 );

version = infos["version"];
location = infos["location"];

# nb: All versions before 2.2.7.3 had "Stable tag: trunk".
# In case the plugin has been located, it can still be reported as vulnerable
if( location && ! version ) {
  report = report_fixed_ver( installed_version: "< 2.2.7.3", fixed_version: "3.6.2", install_path: location );
  security_message( port: port, data: report );
  exit( 0 );
}

if( version_is_less( version: version, test_version: "3.6.2" ) ) {
  report = report_fixed_ver( installed_version: version, fixed_version: "3.6.2", install_path: location );
  security_message( port: port, data: report );
  exit( 0 );
}

exit( 99 );