WordPress plugin
Post Grid Gutenberg Blocks – PostX security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 29 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High7
- Medium22
- Low0
All Post Grid Gutenberg Blocks – PostX vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via display_name User Field ≤5.1.0Update to 5.1.1 | CVE-2026-96840 | |
| High7.2 | Authenticated (Administrator+) Server-Side Request Forgery via REST API Endpoints ≤5.0.8Update to 5.0.9 | CVE-2026-1273 | |
| High7.5 | Missing Authorization to Unauthenticated Sensitive Information Exposure ≤5.0.3Update to 5.0.4 | CVE-2025-12980 | |
| High7.2 | Authenticated (Editor+) Privilege Escalation ≤4.1.35Update to 4.1.36 | CVE-2025-55707 | |
| High8.8 | Missing Authorization to Arbitrary Plugin Installation/Activation ≤4.1.16Update to 4.1.17 | CVE-2024-10728 | |
| High8.8 | Missing Authorization to Arbitrary Options Update ≤4.1.2Update to 4.1.3 | CVE-2024-5326 | |
| High7.2 | Unauthenticated Cross-Site Scripting ≤2.9.9Update to 2.9.10 | CVE-2023-36385 |
- High7.2Unauthenticated Stored Cross-Site Scripting via display_name User Field
≤5.1.0Update to 5.1.1
- High7.2Authenticated (Administrator+) Server-Side Request Forgery via REST API Endpoints
≤5.0.8Update to 5.0.9
- High7.5Missing Authorization to Unauthenticated Sensitive Information Exposure
≤5.0.3Update to 5.0.4
- High7.2Authenticated (Editor+) Privilege Escalation
≤4.1.35Update to 4.1.36
- High8.8Missing Authorization to Arbitrary Plugin Installation/Activation
≤4.1.16Update to 4.1.17
- High8.8Missing Authorization to Arbitrary Options Update
≤4.1.2Update to 4.1.3
- High7.2Unauthenticated Cross-Site Scripting
≤2.9.9Update to 2.9.10
Post Grid Gutenberg Blocks – PostX: common questions
Does Post Grid Gutenberg Blocks – PostX have known vulnerabilities?
Yes. VulnCrest Radar lists 29 known vulnerabilities in Post Grid Gutenberg Blocks – PostX: 7 high, 22 medium. None are known to affect version null.
How do I check which version of Post Grid Gutenberg Blocks – PostX I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Post Grid Gutenberg Blocks – PostX vulnerability?
CVE-2026-96840, published Oct 9, 2026: Post Grid Gutenberg Blocks <= 5.1.0 - Unauthenticated Stored Cross-Site Scripting via display_name User Field. Severity: High (CVSS 7.2).
Is any Post Grid Gutenberg Blocks – PostX vulnerability listed in CISA KEV?
No. None of the known Post Grid Gutenberg Blocks – PostX vulnerabilities is currently listed in the CISA KEV catalog.