CVE-2026-5158 PostX <= 5.0.13 - Authenticated (Contributor+) Stored Cross-Site Scripting via Post Comments Block

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...