CVE-2024-3155 Cross-site scripting in Post Grid
Authenticated contributors can inject arbitrary scripts into WordPress pages via the Combo Blocks plugin, leading to stored XSS attacks.
- 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-2024-3155?
CVE-2024-3155 is a medium-severity cross-site scripting vulnerability in pickplugins Post Grid, published on 21 May 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 several parameters 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 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-2024-3155?
How do I fix CVE-2024-3155?
No fix has been published for CVE-2024-3155 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-2024-3155 being exploited?
There is no known exploitation of CVE-2024-3155 in the wild and no public exploit code.
Sources
Also known as GHSA-pj4p-m936-2pmx.