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_posts 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.
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Affected Vendors & Products
References
History
Wed, 08 Apr 2026 18:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Essential Blocks <= 4.2.0 - Unauthenticated PHP Object Injection via queries |
Wed, 05 Feb 2025 19:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
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Status: PUBLISHED
Assigner: Wordfence
Published: 2023-10-20T07:29:27.908Z
Updated: 2026-04-08T17:15:32.371Z
Reserved: 2023-08-16T16:39:20.561Z
Link: CVE-2023-4386
Updated: 2024-08-02T07:24:04.545Z
Status : Modified
Published: 2023-10-20T08:15:12.340
Modified: 2026-04-08T19:18:30.973
Link: CVE-2023-4386
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