Vulnerability in GutenKit – Page Builder Blocks, Patterns, and Templates for Gutenberg Block Editor — CVE-2026-2573

What to do now

Update GutenKit – Page Builder Blocks, Patterns, and Templates for Gutenberg Block Editor to 2.4.5 or later.

Affected versions

• Everything up to and including 2.4.4

The GutenKit – Page Builder Blocks, Patterns, and Templates for Gutenberg Block Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘postBodyCss’ parameter in all versions up to, and including, 2.4.4 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 description is reproduced verbatim from the public vulnerability record.

• https://plugins.trac.wordpress.org/changeset/3468273/gutenkit-blocks-addon
• https://www.wordfence.com/threat-intel/vulnerabilities/id/7e94cbf8-c74a-4546-83de-b5c5b094762b?source=cve

This page is compiled automatically from public databases. Accuracy is not guaranteed; confirm against the vendor advisory before acting.