CVE-2025-54739

WordPress Nexter Blocks Plugin <= 4.5.4 - Broken Access Control Vulnerability

Published Aug 14, 2025 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
Missing Authorization vulnerability in POSIMYTH Nexter Blocks the-plus-addons-for-block-editor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Nexter Blocks: from n/a through <= 4.5.4.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-24916 Missing Authorization vulnerability in POSIMYTH Nexter Blocks allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Nexter Blocks: from n/a through 4.5.4.
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

Type Values Removed Values Added
Description Missing Authorization vulnerability in POSIMYTH Nexter Blocks allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Nexter Blocks: from n/a through 4.5.4. Missing Authorization vulnerability in POSIMYTH Nexter Blocks the-plus-addons-for-block-editor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Nexter Blocks: from n/a through <= 4.5.4.
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

Type Values Removed Values Added
First Time appeared Posimyth
Posimyth nexter Blocks
Wordpress
Wordpress wordpress
Vendors & Products Posimyth
Posimyth nexter Blocks
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Missing Authorization vulnerability in POSIMYTH Nexter Blocks allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Nexter Blocks: from n/a through 4.5.4.
Title WordPress Nexter Blocks Plugin <= 4.5.4 - Broken Access Control Vulnerability
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Apr 28, 2026, 4:13 PM
Reserved
Jul 28, 2025, 10:56 AM
Status
Deferred
Published
Aug 14, 2025, 7:15 PM
Modified
Jun 17, 2026, 9:40 AM