CVE-2024-4209 Cross-site scripting in Kadence Blocks — Page Builder Toolkit for Gutenberg Editor

Medium 6.4 Published 11 May 2024 Updated 8 Apr 2026

Authenticated contributors can inject arbitrary scripts via the countdown timer, leading to stored XSS execution for other users.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-4209?

CVE-2024-4209 is a medium-severity cross-site scripting vulnerability in stellarwp Kadence Blocks — Page Builder Toolkit for Gutenberg Editor, published on 11 May 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Gutenberg Blocks with AI by Kadence WP – Page Builder Features plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the countdown timer in all versions up to, and including, 3.2.36 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.

Weakness: CWE-79

Which versions are affected by CVE-2024-4209?

It affects 1 product.

Products include Kadencewp Gutenberg Blocks With Ai.

How do I fix CVE-2024-4209?

No fix has been published for CVE-2024-4209 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2024-4209 being exploited?

There is no known exploitation of CVE-2024-4209 in the wild and no public exploit code.

Sources

Also known as GHSA-4pjm-38fw-w4gm.