CVE-2023-6964 Server-side request forgery in Kadence Blocks — Page Builder Toolkit for Gutenberg Editor

High 8.5 Published 9 Apr 2024 Updated 8 Apr 2026

Authenticated contributors can exploit SSRF in Kadence Blocks to query and modify internal services via arbitrary web requests.

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-2023-6964?

CVE-2023-6964 is a high-severity server-side request forgery vulnerability in stellarwp Kadence Blocks — Page Builder Toolkit for Gutenberg Editor, published on 9 Apr 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Gutenberg Blocks by Kadence Blocks – Page Builder Features plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 3.1.26 via the 'kadence_import_get_new_connection_data' AJAX action. This makes it possible for authenticated attackers, with contributor-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

Weakness: CWE-918

Which versions are affected by CVE-2023-6964?

It affects 1 product.

Products include Kadencewp Gutenberg Blocks With Ai.

How do I fix CVE-2023-6964?

No fix has been published for CVE-2023-6964 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2023-6964 being exploited?

There is no known exploitation of CVE-2023-6964 in the wild and no public exploit code.

Sources

Also known as GHSA-5pfq-gm94-5f9g.