CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
18.7%
The WordPress plugin
# 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:webnus:modern_events_calendar_lite";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.127595");
script_version("2023-10-27T16:11:33+0000");
script_tag(name:"last_modification", value:"2023-10-27 16:11:33 +0000 (Fri, 27 Oct 2023)");
script_tag(name:"creation_date", value:"2023-10-24 09:30:34 +0000 (Tue, 24 Oct 2023)");
script_tag(name:"cvss_base", value:"4.7");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:M/C:P/I:P/A:N");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2023-10-26 14:55:00 +0000 (Thu, 26 Oct 2023)");
script_cve_id("CVE-2023-4021");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_name("WordPress Modern Events Calendar Lite Plugin < 7.1.0 XSS Vulnerability");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2023 Greenbone AG");
script_family("Web application abuses");
script_dependencies("gb_wordpress_plugin_http_detect.nasl");
script_mandatory_keys("wordpress/plugin/modern-events-calendar-lite/detected");
script_tag(name:"summary", value:"The WordPress plugin 'Modern Events Calendar Lite' 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:"Authenticated attackers are able to inject arbitrary web
scripts in pages that will execute whenever a user accesses an injected page due to insufficient
input sanitization and output escaping.");
script_tag(name:"affected", value:"WordPress Modern Events Calendar Lite plugin prior to version
7.1.0.");
script_tag(name:"solution", value:"Update to version 7.1.0 or later.");
script_xref(name:"URL", value:"https://www.wordfence.com/threat-intel/vulnerabilities/id/f213fb42-5bab-4017-80ea-ce6543031af2");
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: "7.1.0" ) ) {
report = report_fixed_ver( installed_version: version, fixed_version: "7.1.0", install_path: location );
security_message( data: report, port: port );
exit( 0 );
}
exit( 99 );
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
18.7%