CVE-2025-54007 HIGH

CVE-2025-54007: WordPress Post Grid and Gutenberg Blocks Plugin <= 2.3.11 - PHP Object Injection Vulnerability

Vendor Pickplugins
Product Post Grid and Gutenberg Blocks
Weakness CWE-502 · Unsafe deserialization
Published August 20, 2025
Last update May 13, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in PickPlugins Post Grid and Gutenberg Blocks post-grid allows Object Injection.This issue affects Post Grid and Gutenberg Blocks: from n/a through <= 2.3.11.

Explanation of Vulnerability in Simple Terms

02Summary

Post Grid and Gutenberg Blocks versions up to 2.3.11 contain a deserialization vulnerability that allows authenticated users to execute arbitrary code on the site. An attacker with low-level WordPress access can craft malicious serialized data to trigger code execution. This affects all installations running the vulnerable versions.

What an attacker can do

03Attacker Capabilities

Run their own PHP code on the site and take full control of it.

Potential impact on your site

04Site Impact

Any authenticated user can compromise your entire site, steal data, or inject malware.

Conditions required to exploit

05Prerequisites

Attacker must have a low-level WordPress user account (subscriber or higher).

Key dates

06Disclosure timeline

August 20, 2025 CVE published
May 13, 2026 Record updated