CVE-2026-24377 WordPress Nexter Blocks plugin <= 4.6.3 - Sensitive Data Exposure vulnerability

Medium 4.3 Published Updated

An attacker can retrieve embedded sensitive system data from the Nexter Blocks WordPress plugin, potentially exposing internal configuration details.

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-2026-24377?

CVE-2026-24377 is a medium-severity vulnerability in POSIMYTH Nexter Blocks, published on 22 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in POSIMYTH Nexter Blocks the-plus-addons-for-block-editor allows Retrieve Embedded Sensitive Data.This issue affects Nexter Blocks: from n/a through <= 4.6.3.

Weakness: CWE-497

Which versions are affected by CVE-2026-24377?

How do I fix CVE-2026-24377?

No fix has been published for CVE-2026-24377 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-24377 being exploited?

There is no known exploitation of CVE-2026-24377 in the wild and no public exploit code.

Sources

Also known as GHSA-mqq6-2252-927j.

Is CVE-2026-24377 in your software?

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