HomeWordPress vulnerabilitiesPost Grid Gutenberg Blocks
Post Grid Gutenberg Blocks vulnerabilities
Post Grid Gutenberg Blocks has 9 known vulnerabilities in this database. The most recent published record is dated 23 Sep 2026.
- Known vulnerabilities
- 9
- Active installs
- 30,000+
- Latest version
- 5.0.41
- Last updated
- 16 Sep 2026
- Most recent
- 23 Sep 2026
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Sensitive data exposure CVE-2026-86783 | Medium 5.3 | Before 5.0.41 | Fixed in 5.0.41 | 23 Sep 2026 |
| Cross-site scripting (XSS) CVE-2026-5158 | Medium 6.4 | Up to 5.0.13 | Fixed in a later version (latest 5.0.41) | 6 Aug 2026 |
| Cross-site scripting (XSS) CVE-2026-15100 | Medium 6.4 | Up to 5.0.32 | Fixed in a later version (latest 5.0.41) | 24 Jul 2026 |
| Cross-site scripting (XSS) CVE-2026-13253 | Medium 6.4 | Up to 5.0.31 | Fixed in a later version (latest 5.0.41) | 9 Jul 2026 |
| Server-side request forgery (SSRF) CVE-2026-1273 | High 7.2 | Up to 5.0.8 | Fixed in a later version (latest 5.0.41) | 4 Mar 2026 |
| Broken access control CVE-2025-12980 | High 7.5 | Up to 5.0.3 | Fixed in a later version (latest 5.0.41) | 21 Dec 2025 |
| Remote code execution CVE-2024-10728 | High 8.8 | Before 4.1.17 | Fixed in 4.1.17 | 16 Nov 2024 |
| Broken access control CVE-2024-5326 | High 8.8 | Up to 4.1.2 | Fixed in a later version (latest 5.0.41) | 30 May 2024 |
| Cross-site scripting (XSS) CVE-2024-5223 | Medium 6.4 | Up to 4.1.1 | Fixed in a later version (latest 5.0.41) | 30 May 2024 |
Read the published descriptions
- CVE-2026-86783, 23 Sep 2026
- The Post Grid Gutenberg Blocks WordPress plugin before 5.0.41 does not perform an authorization or post-visibility check on a REST API route that returns the custom field keys of a given post, allowing unauthenticated users to disclose the custom field key names of arbitrary posts, including private, draft, pending, scheduled and password-protected posts. CVE record
- CVE-2026-5158, 6 Aug 2026
- The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites - PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'inputPlaceHolder' parameter in all versions up to, and including, 5.0.13 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. CVE record
- CVE-2026-15100, 24 Jul 2026
- The Post Grid Gutenberg Blocks - PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'searchnoresult' Block Attribute in all versions up to, and including, 5.0.32 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is particularly concerning in a cross-privilege scenario where a Contributor creates a pending or draft post containing the malicious block attribute, which then executes arbitrary JavaScript in the browser session of an Editor or Administrator who previews that post. CVE record
- CVE-2026-13253, 9 Jul 2026
- The Ultimate Post plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'moreResultsText' block attribute of the ultimate-post/advanced-search block in versions up to and including 5.0.31. This is due to insufficient input sanitization and output escaping in the Advanced_Search::content() render callback: the attribute value is filtered with wp_kses(), which strips disallowed HTML tags but does NOT escape HTML special characters such as double quotes in plain text, and the result is then concatenated directly into the data-viewmoretext HTML attribute without esc_attr(). This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. CVE record
- CVE-2026-1273, 4 Mar 2026
- The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites - PostX plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 5.0.8 via the `/ultp/v3/starter_dummy_post/` and `/ultp/v3/starter_import_content/` REST API endpoints. This makes it possible for authenticated attackers, with Administrator-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services. CVE record
- CVE-2025-12980, 21 Dec 2025
- The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites - PostX plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the '/ultp/v2/get_dynamic_content/' REST API endpoint in all versions up to, and including, 5.0.3. This makes it possible for unauthenticated attackers to retrieve sensitive user metadata, including password hashes. CVE record
- CVE-2024-10728, 16 Nov 2024
- The Post Grid Gutenberg Blocks and WordPress Blog Plugin - PostX plugin for WordPress is vulnerable to unauthorized plugin installation/activation due to a missing capability check on the 'install_required_plugin_callback' function in all versions up to, and including, 4.1.16. This makes it possible for authenticated attackers, with Subscriber-level access and above, to install and activate arbitrary plugins which can be leveraged to achieve remote code execution if another vulnerable plugin is installed and activated. CVE record
- CVE-2024-5326, 30 May 2024
- The Post Grid Gutenberg Blocks and WordPress Blog Plugin - PostX plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'postx_presets_callback' function in all versions up to, and including, 4.1.2. This makes it possible for authenticated attackers, with Contributor-level access and above, to change arbitrary options on affected sites. This can be used to enable new user registration and set the default role for new users to Administrator. CVE record
- CVE-2024-5223, 30 May 2024
- The Post Grid Gutenberg Blocks and WordPress Blog Plugin - PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's file uploading feature in all versions up to, and including, 4.1.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. CVE record
What to do if you run Post Grid Gutenberg Blocks
If you run Post Grid Gutenberg Blocks, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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