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CVE-2023-6623

CRITICAL 9.8 CVSS 3.1
Published
January 15, 2024
Last modified
June 17, 2026
NVD status
Modified
Reported by
contact@wpscan.com
Weakness
CWE-22
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Affected WordPress components

  • Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns Plugin · essential-blocks
    Confirmed match Active
    Before 4.4.3
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Essential Blocks — Before 4.4.3
  • wpdeveloper essential_blocks — Before 4.4.3

References

  • wpscan.com https://wpscan.com/blog/file-inclusion-vulnerability-fixed-in-essential-blocks-4-4-3/ Exploit, Third Party Advisory
  • wpscan.com https://wpscan.com/vulnerability/633c28e0-0c9e-4e68-9424-55c32789b41f Exploit, Third Party Advisory
  • nvd.nist.gov Official NVD record