What is the CVSS score of EUVD-2026-22883?

EUVD-2026-22883 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.0%.

Magazine Blocks EUVD-2026-22883

| CVE-2026-40728 MEDIUM

Missing Authorization (CWE-862)

2026-04-15 Patchstack

WordPress Authentication Bypass Magazine Blocks Wordpress Plugin

4.3

CVSS 3.1 · Vendor: Patchstack

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Vulnerability Assessment

Weakness

CWE

CWE-862

OWASP Top 10:2025

A01:2025 - Broken Access Control

ASVS 5.0

V8 - Authorization Authorization checks on every request

MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 26, 2026

An authorization bypass in BlockArt Magazine Blocks for WordPress (≤1.8.3) lets authenticated users with lower privileges perform unauthorized data modifications. The vulnerability is not known to be actively exploited, and exploitation probability is assessed as low (EPSS 0.02%). The issue stems from missing capability checks that allow modified data access without proper permission verification.

Affected VersionsENISA

Magazine Blocks 0 ≤1.8.3

Affected Packages

euvd magazine_blocks no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (Patchstack) PRIMARY 4.3 MEDIUM

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

Primary rating from Vendor (Patchstack) · only source for this CVE.

CVSS VectorVendor: Patchstack

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

CVSS changed

Apr 15, 2026 - 16:22 NVD

4.3 (MEDIUM)

CVE Published

Apr 15, 2026 - 10:21 nvd

MEDIUM 4.3

DescriptionCVE.org

Missing Authorization vulnerability in BlockArt Magazine Blocks magazine-blocks allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Magazine Blocks: from n/a through <= 1.8.3.

Threat Intelligence Overview

EPSS Score

0.0%

Top 96% exploitable

Social Media

Sightings

Data Quality

5 sources

Confidence: Medium

EUVD

NVD

CVE.org

EPSS

Vulnrichment CIRCL

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.0%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.