CVE-2024-4400 Cross-site scripting in Post and Page Builder by BoldGrid – Visual Drag and Drop Editor

Medium 6.4 Published 16 May 2024 Updated 8 Apr 2026

Authenticated attackers can inject arbitrary web scripts into pages via the BoldGrid Post and Page Builder plugin, executing them 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-2024-4400?

CVE-2024-4400 is a medium-severity cross-site scripting vulnerability in Post and Page Builder by BoldGrid – Visual Drag and Drop Editor, published on 16 May 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Post and Page Builder by BoldGrid – Visual Drag and Drop Editor plguin for WordPress is vulnerable to Stored Cross-Site Scripting via an unknown parameter in versions up to, and including, 1.26.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions 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-2024-4400?

It affects 1 product.

Products include Boldgrid Post and Page Builder.

How do I fix CVE-2024-4400?

No fix has been published for CVE-2024-4400 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-2024-4400 being exploited?

There is no known exploitation of CVE-2024-4400 in the wild and no public exploit code.

Sources

Also known as GHSA-cpr3-2wp6-xc3c.