phpMyFAQ < 3.1.11 Improper Input Validation Vulnerability

# SPDX-FileCopyrightText: 2023 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:phpmyfaq:phpmyfaq";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.124282");
  script_version("2025-09-19T15:40:40+0000");
  script_tag(name:"last_modification", value:"2025-09-19 15:40:40 +0000 (Fri, 19 Sep 2025)");
  script_tag(name:"creation_date", value:"2023-02-20 10:48:56 +0200 (Mon, 20 Feb 2023)");
  script_tag(name:"cvss_base", value:"4.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:N/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2023-02-25 03:55:00 +0000 (Sat, 25 Feb 2023)");

  script_cve_id("CVE-2023-0880");

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

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

  script_name("phpMyFAQ < 3.1.11 Improper Input Validation Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2023 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_phpmyfaq_http_detect.nasl");
  script_mandatory_keys("phpmyfaq/detected");

  script_tag(name:"summary", value:"phpMyFAQ is prone to an improper input validation
  vulnerability.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"impact", value:"An Attacker can bypass all the required fields by sending a
  space at any required field like name, text, answer or question which is a required Point and send
  empty FAQ Proposals and spam, scan or due further malicious things.");

  script_tag(name:"affected", value:"phpMyFAQ versions prior to 3.1.11.");

  script_tag(name:"solution", value:"Update to version 3.1.11 or later.");

  script_xref(name:"URL", value:"https://huntr.dev/bounties/14fc4841-0f5d-4e12-bf9e-1b60d2ac6a6c/");

  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: TRUE))
  exit(0);

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

if (version_is_less(version: version, test_version: "3.1.11")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.1.11", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);