XWiki File Write Vulnerability (GHSA-7ph6-5cmq-xgjq)

# 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("1.3.6.1.4.1.25623.1.0.124011");
  script_version("2026-01-29T08:35:42+0000");
  script_tag(name:"last_modification", value:"2026-01-29 08:35:42 +0000 (Thu, 29 Jan 2026)");
  script_tag(name:"creation_date", value:"2022-02-11 12:04:03 +0000 (Fri, 11 Feb 2022)");
  script_tag(name:"cvss_base", value:"5.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-02-16 15:15:00 +0000 (Wed, 16 Feb 2022)");

  script_cve_id("CVE-2022-23620");

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

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

  script_name("XWiki File Write Vulnerability (GHSA-7ph6-5cmq-xgjq)");

  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 file write vulnerability.");

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

  script_tag(name:"insight", value:"AbstractSxExportURLFactoryActionHandler#processSx does not
  escape anything from SSX document reference when serializing it on filesystem, so it's easy to
  mess up the HTML or PDF export process with reference elements containing filesystem syntax like
  '../', './'. or '/' in general (the last two not causing any security threat, but can cause
  conflicts with others serialized files).");

  script_tag(name:"affected", value:"XWiki version 6.2 and later.");

  script_tag(name:"solution", value:"Update to version 13.6RC1 or later.");

  script_xref(name:"URL", value:"https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-7ph6-5cmq-xgjq");

  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: "6.2", test_version_up: "13.6")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "13.6", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);