Post Grid Gutenberg Blocks – PostX vulnerabilities
Plugin slug ultimate-post · 29 known vulnerabilities · latest disclosed 2026-10-09 · WordPress.org page
Every listed vulnerability has a fix. Version 5.1.1 or later is not affected by any of them. If your site runs an older version, update it.
7 of 29 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Post Grid Gutenberg Blocks – PostX
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| High 7.2 | <= 5.1.0 | 5.1.1 | CVE-2026-96840 | 2026-10-09 | Advisory |
| Medium 5.3 | <= 5.0.40 | 5.0.41 | CVE-2026-86783 | 2026-09-21 | Advisory |
| Medium 6.4 | <= 5.0.13 | 5.0.14 | CVE-2026-5158 | 2026-08-05 | Advisory |
| Medium 6.4 | <= 5.0.32 | 5.0.33 | CVE-2026-15100 | 2026-07-23 | Advisory |
| Medium 6.4 | <= 5.0.31 | 5.0.32 | CVE-2026-13253 | 2026-07-08 | Advisory |
| Medium 5.3 | <= 5.0.5 | 5.0.6 | CVE-2026-0718 | 2026-04-15 | Advisory |
| High 7.2 | <= 5.0.8 | 5.0.9 | CVE-2026-1273 | 2026-03-03 | Advisory |
| Medium 5.3 | <= 5.0.3 | 5.0.4 | CVE-2025-69313 | 2026-01-19 | Advisory |
| Medium 5.3 | <= 5.0.3 | 5.0.4 | CVE-2025-68606 | 2025-12-21 | Advisory |
| High 7.5 | <= 5.0.3 | 5.0.4 | CVE-2025-12980 | 2025-12-20 | Advisory |
| Medium 4.3 | <= 4.1.36 | 4.1.37 | CVE-2025-54751 | 2025-09-02 | Advisory |
| High 7.2 | <= 4.1.35 | 4.1.36 | CVE-2025-55707 | 2025-08-29 | Advisory |
| Medium 6.4 | <= 4.1.25 | 4.1.26 | CVE-2025-31096 | 2025-03-28 | Advisory |
| Medium 6.4 | <= 4.1.15 | 4.1.16 | CVE-2024-53818 | 2024-12-02 | Advisory |
| High 8.8 | <= 4.1.16 | 4.1.17 | CVE-2024-10728 | 2024-11-15 | Advisory |
| Medium 6.4 | <= 4.1.15 | 4.1.16 | CVE-2024-50513 | 2024-10-28 | Advisory |
| Medium 6.4 | <= 4.1.12 | 4.1.13 | CVE-2024-50443 | 2024-10-24 | Advisory |
| Medium 6.4 | <= 4.1.1 | 4.1.2 | CVE-2024-5223 | 2024-05-29 | Advisory |
| High 8.8 | <= 4.1.2 | 4.1.3 | CVE-2024-5326 | 2024-05-29 | Advisory |
| Medium 6.4 | <= 4.0.4 | 4.1.0 | CVE-2024-4305 | 2024-05-27 | Advisory |
| Medium 6.4 | <= 4.0.1 | 4.0.2 | CVE-2024-3239 | 2024-04-22 | Advisory |
| Medium 6.4 | <= 4.0.1 | 4.0.2 | CVE-2024-32564 | 2024-04-16 | Advisory |
| Medium 4.3 | <= 3.2.3 | 3.2.4 | CVE-2024-31246 | 2024-04-05 | Advisory |
| Medium 6.1 | <= 3.0.5 | 3.0.6 | CVE-2023-3992 | 2023-08-02 | Advisory |
| High 7.2 | <= 2.9.9 | 2.9.10 | CVE-2023-36385 | 2023-06-23 | Advisory |
| Medium 5.4 | < 2.4.10 | 2.4.10 | CVE-2021-24659 | 2021-08-26 | Advisory |
| Medium 5.4 | < 2.4.10 | 2.4.10 | CVE-2021-24660 | 2021-08-26 | Advisory |
| Medium 4.3 | <= 2.4.9 | 2.4.10 | CVE-2021-24661 | 2021-08-26 | Advisory |
| Medium 6.5 | < 2.4.10 | 2.4.10 | CVE-2021-24652 | 2021-08-17 | Advisory |
Check if a site is affected
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Questions
Is the Post Grid Gutenberg Blocks – PostX plugin safe to use?
All 29 known issues are fixed in current versions (5.1.1 or later). Keeping it updated is what matters.
How do I check which version of Post Grid Gutenberg Blocks – PostX my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.