CVE-2026-39516 WordPress Nexter Blocks plugin <= 4.7.0 - Sensitive Data Exposure vulnerability

Medium 5.3 Published Updated

An attacker can retrieve embedded sensitive system data from the Nexter Blocks WordPress plugin, potentially exposing confidential information.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-39516?

CVE-2026-39516 is a medium-severity vulnerability in POSIMYTH Nexter Blocks, published on 8 Apr 2026. An attacker can exploit it over the internet without logging in, 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 <= 4.7.0.

Weakness: CWE-497

Which versions are affected by CVE-2026-39516?

How do I fix CVE-2026-39516?

No fix has been published for CVE-2026-39516 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-39516 being exploited?

There is no known exploitation of CVE-2026-39516 in the wild and no public exploit code.

Sources

Also known as GHSA-w962-xqhv-v77r.

Is CVE-2026-39516 in your software?

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