CVE-2024-1988 Cross-site scripting in Post Grid

Medium 6.4 Published 7 Jun 2024 Updated 8 Apr 2026

Authenticated contributors can inject arbitrary scripts via block attributes, 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-2024-1988?

CVE-2024-1988 is a medium-severity cross-site scripting vulnerability in pickplugins Post Grid, published on 7 Jun 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Post Grid, Form Maker, Popup Maker, WooCommerce Blocks, Post Blocks, Post Carousel – Combo Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'tag' attribute in blocks in all versions up to, and including, 2.2.80 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.

Weakness: CWE-79

Which versions are affected by CVE-2024-1988?

It affects 1 product.

Products include Pickplugins Post Grid.

How do I fix CVE-2024-1988?

No fix has been published for CVE-2024-1988 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-2024-1988 being exploited?

There is no known exploitation of CVE-2024-1988 in the wild and no public exploit code.

Sources

Also known as GHSA-g3qf-x739-g9q6.