XWiki XSS Vulnerability (GHSA-9jq9-c2cv-pcrj)

# 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("1.3.6.1.4.1.25623.1.0.147599");
  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:"2022-02-07 03:26:16 +0000 (Mon, 07 Feb 2022)");
  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:"2022-02-10 01:26:00 +0000 (Thu, 10 Feb 2022)");

  script_cve_id("CVE-2021-43841");

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

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

  script_name("XWiki XSS Vulnerability (GHSA-9jq9-c2cv-pcrj)");

  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 cross-site scripting (XSS) vulnerability.");

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

  script_tag(name:"insight", value:"Possible XSS by SVG upload with default configuration.");

  script_tag(name:"impact", value:"When using default XWiki configuration, it's possible for an
  attacker to upload an SVG containing a script executed when executing the download action on the
  file.");

  script_tag(name:"affected", value:"XWiki prior to version 12.10.6, or version 13.3.");

  script_tag(name:"solution", value:"Update to version 12.10.6, 13.3 or later.");

  script_xref(name:"URL", value:"https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-9jq9-c2cv-pcrj");

  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: "12.10.6")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "12.10.6", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version =~ "^13\.[01]($|\.)") {
  report = report_fixed_ver(installed_version: version, fixed_version: "13.3", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);