The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 4.4.2 via the /wp-json/essential-blocks/v1/queries REST API endpoint. This makes it possible for unauthenticated attackers to include and execute arbitrary files on the server, allowing the execution of any PHP code in those files. This can be used to bypass access controls, obtain sensitive data, or achieve code execution in cases where images and other “safe” file types can be uploaded and included.
CVE-2023-6623 is a critical severity with CVSS 9.8 Local File Inclusion issue affecting the Plugin Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns. It affects Versions up to 4.4.2 and is fixed in 4.4.3.
CVE-2023-6623 is tracked for the Plugin Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns as critical severity with CVSS 9.8. The affected range is Versions up to 4.4.2. Update Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns to 4.4.3 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
essential-blocks
View on wordpress.org
|
| CVE | CVE-2023-6623 |
| Patched Versions |
4.4.3
|
| Affected Versions |
Versions up to 4.4.2
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Essential Blocks <= 5.7.1 - Authenticated (Author+) Server-Side Request Forgery
Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns <= 5.7.1 - Authenticated (Contributor+) Stored Cross-Site Scripting
Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates <= 5.4.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Slider and Post Carousel Widgets
Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates <= 5.3.1 - Authenticated (Contributor+) Stored Cross-Site Scripting
Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates <= 5.2.3 - Authenticated (Contributor+) Stored Cross-Site Scripting
Essential Blocks for Gutenberg <= 4.8.4 - Authenticated (Contributor+) Stored Cross-Site Scripting
Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates <= 4.6.1 - Authenticated (Contributor+) Stored Cross-Site Scripting
Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates <= 4.5.12 - Authenticated (Contributor+) Stored Cross-Site Scripting
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