CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
65.3%
The WordPress plugin
# Copyright (C) 2019 Greenbone Networks GmbH
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.113396");
script_version("2023-01-23T10:11:56+0000");
script_tag(name:"last_modification", value:"2023-01-23 10:11:56 +0000 (Mon, 23 Jan 2023)");
script_tag(name:"creation_date", value:"2019-05-22 14:32:00 +0200 (Wed, 22 May 2019)");
script_tag(name:"cvss_base", value:"6.8");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2019-05-15 03:29:00 +0000 (Wed, 15 May 2019)");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_cve_id("CVE-2019-11886");
script_name("WordPress WaspThemes Visual CSS Style Editor Plugin < 7.2.1 CSRF Vulnerability");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2019 Greenbone Networks GmbH");
script_family("Web application abuses");
script_dependencies("gb_wordpress_plugin_http_detect.nasl");
script_mandatory_keys("wordpress/plugin/yellow-pencil-visual-theme-customizer/detected");
script_tag(name:"summary", value:"The WordPress plugin 'WaspThemes Visual CSS Style Editor is prone
to a cross-site request forgery (CSRF) vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target system.");
script_tag(name:"insight", value:"The vulnerability exists within yp_option_update.");
script_tag(name:"impact", value:"Successful exploitation could allow an attacker to gain admin access
via yp_remote_get.");
script_tag(name:"affected", value:"WaspThemes Visual CSS Style Editor through version 7.2.0.");
script_tag(name:"solution", value:"Update to version 7.2.1 or later.");
script_xref(name:"URL", value:"https://www.pluginvulnerabilities.com/2019/04/09/recently-closed-visual-css-style-editor-wordpress-plugin-contains-privilege-escalation-vulnerability-that-leads-to-option-update-vulnerability/");
script_xref(name:"URL", value:"https://www.wordfence.com/blog/2019/04/zero-day-vulnerability-in-yellow-pencil-visual-theme-customizer-exploited-in-the-wild/");
script_xref(name:"URL", value:"https://wpvulndb.com/vulnerabilities/9256");
script_xref(name:"URL", value:"https://wordpress.org/plugins/yellow-pencil-visual-theme-customizer/#developers");
exit(0);
}
CPE = "cpe:/a:yellowpencil:visual_css_style_editor";
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: "7.2.1" ) ) {
report = report_fixed_ver( installed_version: version, fixed_version: "7.2.1", install_path: location );
security_message( port: port, data: report );
exit( 0 );
}
exit( 99 );
wordpress.org/plugins/yellow-pencil-visual-theme-customizer/#developers
wpvulndb.com/vulnerabilities/9256
www.pluginvulnerabilities.com/2019/04/09/recently-closed-visual-css-style-editor-wordpress-plugin-contains-privilege-escalation-vulnerability-that-leads-to-option-update-vulnerability/
www.wordfence.com/blog/2019/04/zero-day-vulnerability-in-yellow-pencil-visual-theme-customizer-exploited-in-the-wild/
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
65.3%