CVE-2026-96840

The Post Grid Gutenberg Blocks – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting via displayname User Field in all versions up to, and including, 5.1.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to injec...

CVE-2026-96840 Post Grid Gutenberg Blocks <= 5.1.0 - Unauthenticated Stored Cross-Site Scripting via display_name User Field

The Post Grid Gutenberg Blocks – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting via displayname User Field in all versions up to, and including, 5.1.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to injec...

EUVD-2026-96224

The Post Grid Gutenberg Blocks – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting via displayname User Field in all versions up to, and including, 5.1.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to injec...

CVE-2026-96840

The Post Grid Gutenberg Blocks – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting (XSS) in all versions up to and including 5.1.0 . The root cause is insufficient input sanitization and output escaping in the display_name User Field. Specifically, while WordPress core encod...

CVE-2026-86783

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...

CVE-2026-86783 PostX < 5.0.41 - Unauthenticated Custom Field Key Disclosure via REST API

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...

CVE-2026-86783 PostX < 5.0.41 - Unauthenticated Custom Field Key Disclosure via REST API

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...

CVE-2026-86783

The Post Grid Gutenberg Blocks WordPress plugin (versions before 5.0.41 ) contains a vulnerability where it fails to perform proper authorization or post-visibility checks on a specific REST API route. This flaw allows unauthenticated users to disclose the custom field key names of arbitrary post...

EUVD-2026-85045

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...

CVE-2026-86783: Exposure of Sensitive Information to an Unauthorized Actor

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...

PT-2026-97181

Name of the Vulnerable Software and Affected Versions Post Grid Gutenberg Blocks versions prior to 5.0.41 Description An issue exists where the plugin fails to perform authorization or post-visibility checks on a REST API route. This allows unauthenticated users to disclose the custom field key...

CVE-2026-15100: Improper Neutralization of Input During Web Page Generation

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...

CVE-2026-1273: Server-Side Request Forgery (SSRF)

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/starterdummypost/ and /ultp/v3/starterimportcontent/ REST API endpoints. This makes it possible...

CVE-2024-50432

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in PickPlugins Post Grid and Gutenberg Blocks post-grid allows Cross-Site Scripting XSS.This issue affects Post Grid and Gutenberg Blocks: from n/a through = 2.2.93...

CVE-2024-10728 PostX <= 4.1.16 - Missing Authorization to Arbitrary Plugin Installation/Activation

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 'installrequiredplugincallback' function in all versions up to, and including, 4.1.16. This makes it possible...

CVE-2024-4305

The Post Grid Gutenberg Blocks and WordPress Blog Plugin (also known as PostX ) versions prior to 4.1.0 is vulnerable to Stored Cross-Site Scripting (XSS) . The root cause is a failure to properly validate and escape certain block options before they are output to a page or post. This security fl...

CVE-2024-4305: Improper Neutralization of Input During Web Page Generation

The Post Grid Gutenberg Blocks and WordPress Blog Plugin WordPress plugin before 4.1.0 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Si...

Exploit for CVE-2024-5326

CVE-2024-5326 CVE-2024-5326 Post Grid Gutenberg Blocks and Wor...

CVE-2024-5758

Rejected reason: REJECT Duplicate of CVE-2024-4305. Please use CVE-2024-4305 instead...

CVE-2024-5326 Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX <= 4.1.2 - Missing Authorization to Arbitrary Options Update

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 'postxpresetscallback' function in all versions up to, and including, 4.1.2. This makes it possible for authenticated...