The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 4.1.35. This makes it possible for authenticated attackers, with Editor-level access and above, to elevate their privileges.
CVE-2025-55707 is a high severity with CVSS 7.2 Privilege Escalation issue affecting the Plugin Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX. It affects Versions up to 4.1.35 and is fixed in 4.1.36.
CVE-2025-55707 is tracked for the Plugin Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX as high severity with CVSS 7.2. The affected range is Versions up to 4.1.35. Update Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX to 4.1.36 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
ultimate-post
View on wordpress.org
|
| CVE | CVE-2025-55707 |
| Patched Versions |
4.1.36
|
| Affected Versions |
Versions up to 4.1.35
|
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.
PostX <= 4.1.16 - Missing Authorization to Arbitrary Plugin Installation/Activation
Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX <= 4.1.2 - Missing Authorization to Arbitrary Options Update
Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX <= 5.0.3 - Missing Authorization to Unauthenticated Sensitive Information Exposure
PostX <= 5.0.8 - Authenticated (Administrator+) Server-Side Request Forgery via REST API Endpoints
PostX – Gutenberg Blocks for Post Grid <= 2.9.9 - Unauthenticated Cross-Site Scripting
PostX - Gutenberg Blocks for Post Grid <= 2.4.9 - Unauthorized Access Controls
PostX <= 4.1.25 - Authenticated (Contributor+) Stored Cross-Site Scripting
PostX <= 4.1.15 - Authenticated (Contributor+) Stored Cross-Site Scripting
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