CVE-2024-4042 Cross-site scripting in Post Grid
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-2024-4042?
CVE-2024-4042 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 'class' attribute of the menu-wrap-item block 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-2024-4042?
It affects 1 product.
Products include Pickplugins Comboblocks.
How do I fix CVE-2024-4042?
No fix has been published for CVE-2024-4042 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-2024-4042 being exploited?
There is no known exploitation of CVE-2024-4042 in the wild and no public exploit code.
Other vulnerabilities in pickplugins Post Grid
Sources
Also known as GHSA-cr6g-qmjx-q339.