CVE-2024-5223: Wpxpo Post Grid Gutenberg Blocks For News, Magazines, Blog Websites – Postx

Medium severity, CVSS 6.4. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Wpxpo Post Grid Gutenberg Blocks For News, Magazines, Blog Websites – Postx: up to and including 4.1.1

Published 2024-05-30. Last modified 2026-06-17.