CVE-2025-54007 WordPress Post Grid and Gutenberg Blocks Plugin <= 2.3.11 - PHP Object Injection Vulnerability
An attacker can exploit PHP object injection in the Post Grid and Gutenberg Blocks plugin to potentially execute arbitrary code on the WordPress site.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-54007?
CVE-2025-54007 is a high-severity unsafe deserialization vulnerability in PickPlugins Post Grid and Gutenberg Blocks, published on 20 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-502
Which versions are affected by CVE-2025-54007?
How do I fix CVE-2025-54007?
No fix has been published for CVE-2025-54007 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2025-54007 being exploited?
There is no known exploitation of CVE-2025-54007 in the wild and no public exploit code.
Sources
Also known as GHSA-4wg9-c8v8-c5qc.