CVE-2024-56246 WordPress Nexter Blocks plugin <= 4.0.4 - Cross Site Scripting (XSS) vulnerability

Medium 6.5 Published Updated

An attacker can execute arbitrary scripts in the context of other users via a DOM-based XSS vulnerability in the Nexter Blocks plugin.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2024-56246?

CVE-2024-56246 is a medium-severity cross-site scripting vulnerability in POSIMYTH Nexter Blocks, published on 2 Jan 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in POSIMYTH Nexter Blocks the-plus-addons-for-block-editor allows DOM-Based XSS.This issue affects Nexter Blocks: from n/a through <= 4.0.4.

Weakness: CWE-79

Which versions are affected by CVE-2024-56246?

How do I fix CVE-2024-56246?

No fix has been published for CVE-2024-56246 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-2024-56246 being exploited?

There is no known exploitation of CVE-2024-56246 in the wild and no public exploit code.

Sources

Also known as GHSA-wg89-q26p-7q23.

Is CVE-2024-56246 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free