The Post Grid and Gutenberg Blocks plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 2.3.11 via deserialization of untrusted input. This makes it possible for authenticated attackers, with contributor-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable software. 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.
CVE-2025-54007 is a high severity with CVSS 8.8 Vulnerability issue affecting the Plugin Post Grid. It affects Versions up to 2.3.11 and is fixed in 2.3.12.
CVE-2025-54007 is tracked for the Plugin Post Grid as high severity with CVSS 8.8. The affected range is Versions up to 2.3.11. Update Post Grid to 2.3.12 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
post-grid
View on wordpress.org
|
| CVE | CVE-2025-54007 |
| Patched Versions |
2.3.12
|
| Affected Versions |
Versions up to 2.3.11
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Post Grid and Gutenberg Blocks 2.2.85 - 2.3.3 - Unauthenticated Privilege Escalation
Post Grid and Gutenberg Blocks 2.2.87 - 2.2.90 - Authenticated (Subscriber+) Privilege Escalation
Post Grid <= 2.1.12 - Contributor+ SQL Injection
Post Grid Combo – 36+ Gutenberg Blocks <= 2.2.68 - Information Exposure via get_posts API Endpoint
Post Grid <= 2.2.50 - Missing Authorization to Sensitive Information Exposure via REST API
Post Grid and Gutenberg Blocks <= 2.3.21 - Authenticated (Contributor+) Stored Cross-Site Scripting
Post Grid and Gutenberg Blocks <= 2.2.92 - Authenticated (Contributor+) Stored Cross-Site Scripting
Post Grid and Gutenberg Blocks <= 2.2.93 - Authenticated (Contributor+) Stored Cross-Site Scripting
This record contains material that is subject to copyright
License: Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy. Read more
License: CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy. Read more
