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CRITICAL

Essential Blocks <= 4.2.0 - Unauthenticated PHP Object Injection via products

Published Oct 20, 2023

Description

The Essential Blocks plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 4.2.0 via deserialization of untrusted input in the get_products function. This allows unauthenticated attackers to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

Affected products

Remediation

No remediation recorded yet.

References (3)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner Wordfence
Published Oct 20, 2023
Updated Apr 8, 2026
Reserved Aug 17, 2023
CISA Vulnrichment
Updated Feb 5, 2025
NVD
Status Modified
Modified Jun 17, 2026
Red Hat
Severity n/a
Public date n/a
ENISA EUVD
Assigner Wordfence
Published Oct 20, 2023
Updated Apr 8, 2026
Exploited since n/a
EUVD-2023-54265