CVE-2026-4022

The Show Posts list – Easy designs, filters and more plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'post_type' shortcode attribute in the 'swiftpost-list' shortcode in all versions up to, and including, 1.1.0 due to insufficient input sanitization and output escaping on user-supplied attributes. 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.

The following products are affected by CVE-2026-4022 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-4022.

URL	Resource
https://plugins.trac.wordpress.org/browser/show-posts-shortcodes/tags/1.1.0/post-shortcode.php#L103
https://plugins.trac.wordpress.org/browser/show-posts-shortcodes/tags/1.1.0/post-shortcode.php#L119
https://plugins.trac.wordpress.org/browser/show-posts-shortcodes/tags/1.1.0/post-shortcode.php#L21
https://plugins.trac.wordpress.org/browser/show-posts-shortcodes/tags/1.1.0/post-shortcode.php#L43
https://plugins.trac.wordpress.org/browser/show-posts-shortcodes/trunk/post-shortcode.php#L103
https://plugins.trac.wordpress.org/browser/show-posts-shortcodes/trunk/post-shortcode.php#L119
https://plugins.trac.wordpress.org/browser/show-posts-shortcodes/trunk/post-shortcode.php#L21
https://plugins.trac.wordpress.org/browser/show-posts-shortcodes/trunk/post-shortcode.php#L43
https://www.wordfence.com/threat-intel/vulnerabilities/id/fc6634bc-4427-44b6-bf77-d97d5b49e82f?source=cve