CVE-2026-24377 MEDIUM

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

Vendor Posimyth
Product Nexter Blocks
Weakness CWE-497
Published January 22, 2026
Last update April 28, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

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.

Explanation of Vulnerability in Simple Terms

02Summary

Nexter Blocks versions 4.6.3 and earlier contain an exposure of sensitive information vulnerability. An attacker with low-level user privileges can read data they should not have access to. The vulnerability requires network access and valid user credentials but no additional user interaction. Update to a version newer than 4.6.3 to remediate.

What an attacker can do

03Attacker Capabilities

Read sensitive data they should not have access to.

Potential impact on your site

04Site Impact

Authenticated users can access confidential information beyond their permission level.

Conditions required to exploit

05Prerequisites

Valid low-level user account on the site; network access.

Key dates

06Disclosure timeline

January 22, 2026 CVE published
April 28, 2026 Record updated