XWiki 11.3.7 < 13.10.4, 14.0 < 14.2 Privilege Escalation Vulnerability (GHSA-g4h6-qp44-wqvx)

# SPDX-FileCopyrightText: 2022 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:xwiki:xwiki";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.127184");
  script_version("2025-11-19T05:40:23+0000");
  script_tag(name:"last_modification", value:"2025-11-19 05:40:23 +0000 (Wed, 19 Nov 2025)");
  script_tag(name:"creation_date", value:"2022-09-09 10:48:03 +0000 (Fri, 09 Sep 2022)");
  script_tag(name:"cvss_base", value:"9.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-09-13 22:43:00 +0000 (Tue, 13 Sep 2022)");

  script_cve_id("CVE-2022-31166");

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

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

  script_name("XWiki 11.3.7 < 13.10.4, 14.0 < 14.2 Privilege Escalation Vulnerability (GHSA-g4h6-qp44-wqvx)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2022 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_xwiki_http_detect.nasl");
  script_mandatory_keys("xwiki/detected");

  script_tag(name:"summary", value:"Xwiki is prone to a privilege escalation vulnerability.");

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

  script_tag(name:"insight", value:"Editing a right with the object editor leads to adding a
  supplementary empty value to groups which is then resolved as a reference to XWiki.WebHome page.
  Adding an XWikiGroup xobject to that page then transforms it to a group, any user put in that
  group would then obtain the privileges related to the edited right.");

  script_tag(name:"affected", value:"XWiki version 11.3.7 prior to 13.10.4 and version 14.0 prior
  to 14.2.");

  script_tag(name:"solution", value:"Update to version 13.10.4, 14.2RC1 or later.");

  script_xref(name:"URL", value:"https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-g4h6-qp44-wqvx");

  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_in_range_exclusive(version: version, test_version_lo: "11.3.7", test_version_up: "13.10.4")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "13.10.4", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "14.0", test_version_up: "14.2")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "14.2", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);