CVE-2026-2573
Medium
Description
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.
SeverityMedium
CVSS6.4
Exploit probability—
ProductGutenKit – Page Builder Blocks, Patterns, and Templates for Gutenberg Block Editor
PublishedSep 3, 2026
First seenSep 3, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ataurr GutenKit – Page Builder Blocks, Patterns, and Templates for Gutenberg Block Editor | v ≤ 2.4.4 | — |
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