CVE · Critical

CVE-2023-6623 — Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns [essential-blocks] < 4.4.3

CVE Vulnerability Type Severity Affected Fixed in Published Status
CVE-2023-6623 Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns [essential-blocks] < 4.4.3 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Critical 9.8 < 4.4.3 4.4.3 2023-12-21

CVE-2023-6623

The Essential Blocks plugin for WordPress contains a local file inclusion vulnerability in versions 4.4.2 and earlier, accessible through the /wp-json/essential-blocks/v1/queries REST API endpoint without requiring authentication. An unauthenticated attacker can exploit this flaw to include and execute arbitrary files from the server, potentially running malicious PHP code. This vulnerability could allow an attacker to circumvent security restrictions, access confidential information, or execute code by uploading and subsequently including files that appear harmless such as images.

Based on public CVE data (MITRE/NVD).

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