CVE-2023-6623

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

The Essential Blocks WordPress plugin before 4.4.3 does not prevent unauthenticated attackers from overwriting local variables when rendering templates over the REST API, which may lead to Local File Inclusion attacks.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jan 15, 2024
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2023

CVE-2023-66245.4The Import and export users and customers plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) inCVE-2023-66254.3The Product Enquiry for WooCommerce WordPress plugin before 3.1 does not have a CSRF check in place when deleting inquiries, which could allCVE-2023-66264.8The Product Enquiry for WooCommerce WordPress plugin before 3.1 does not sanitise and escape some of its settings, which could allow high prCVE-2023-66276.1The WP Go Maps (formerly WP Google Maps) WordPress plugin before 9.0.28 does not properly protect most of its REST API routes, which attackeCVE-2023-66296.1The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to ReflCVE-2023-66304.3The Contact Form 7 – Dynamic Text Extension plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, anCVE-2023-66317.8PowerSYSTEM Center versions 2020 Update 16 and prior contain a vulnerability that may allow an authorized local user to insert arbitrary codCVE-2023-66326.1The Happy Addons for Elementor plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via DOM in all versions up to and includCVE-2023-66334.3The Site Notes WordPress plugin through 2.0.0 does not have CSRF checks in some of its functionalities, which could allow attackers to make CVE-2023-66349.8The LearnPress plugin for WordPress is vulnerable to Command Injection in all versions up to, and including, 4.2.5.7 via the get_content funCVE-2023-66357.2The EditorsKit plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation on the 'import_styles' functCVE-2023-66367.2The Greenshift – animation and page builder blocks plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type val
CVE-2023-6623: Critical severity, CVSS 9.8 | Vulnix