CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
Percentile
26.2%
TYPO3 is prone to a cross-site scripting (XSS) vulnerability.
# SPDX-FileCopyrightText: 2021 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-or-later
CPE = "cpe:/a:typo3:typo3";
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.145682");
script_version("2023-04-05T10:19:45+0000");
script_tag(name:"last_modification", value:"2023-04-05 10:19:45 +0000 (Wed, 05 Apr 2023)");
script_tag(name:"creation_date", value:"2021-03-30 03:58:27 +0000 (Tue, 30 Mar 2021)");
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:"2021-03-26 18:24:00 +0000 (Fri, 26 Mar 2021)");
script_cve_id("CVE-2021-21358");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_name("TYPO3 XSS Vulnerability (TYPO3-CORE-SA-2021-004)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone AG");
script_family("Web application abuses");
script_dependencies("gb_typo3_http_detect.nasl");
script_mandatory_keys("typo3/detected");
script_tag(name:"summary", value:"TYPO3 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:"It has been discovered that the Form Designer backend module of the Form
Framework is vulnerable to an XSS. A valid backend user account with access to the form module is needed to
exploit this vulnerability.");
script_tag(name:"affected", value:"TYPO3 version 10.2.0 through 10.4.13 and 11.0.0 through 11.1.0.");
script_tag(name:"solution", value:"Update to version 10.4.14, 11.1.1 or later.");
script_xref(name:"URL", value:"https://typo3.org/security/advisory/typo3-core-sa-2021-004");
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, version_regex: "[0-9]+\.[0-9]+\.[0-9]+")) # nb: Version might not be exact enough
exit(0);
version = infos["version"];
location = infos["location"];
if (version_in_range(version: version, test_version: "10.2.0", test_version2: "10.4.13")) {
report = report_fixed_ver(installed_version: version, fixed_version: "10.4.14", install_path: location);
security_message(port: port, data: report);
exit(0);
}
if (version_in_range(version: version, test_version: "11.0.0", test_version2: "11.1.0")) {
report = report_fixed_ver(installed_version: version, fixed_version: "11.1.1", install_path: location);
security_message(port: port, data: report);
exit(0);
}
exit(99);
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
Percentile
26.2%