---
id: "CVE-2026-123474"
page: "https://infrastack.ai/live/CVE-2026-123474"
kind: "vulnerability"
aliases: ["CVE-2026-123474"]
title: "WordPress Premium Blocks plugin: missing authorization check through version 2.3.18"
severity: "medium"
cvss: 5.3
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["package", "premium-blocks-for-gutenberg", "wordpress"]
not_affected_if: ["plugin-not-installed"]
published_at: "2026-11-07T13:16:37+00:00"
first_seen_at: "2026-11-07T13:47:26+00:00"
updated_at: "2026-11-07T13:49:26+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-123474", "first_seen_at": "2026-11-07T13:47:26+00:00"}]
exploit_sources: []
---

# WordPress Premium Blocks plugin: missing authorization check through version 2.3.18

Link for people: https://infrastack.ai/live/CVE-2026-123474 (this .md is for agents)

The Premium Blocks Gutenberg plugin for WordPress lacks a proper authorization check on some functionality. An attacker may be able to perform actions that should be restricted to users with higher access levels.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed version of the Premium Blocks – Gutenberg Blocks for WordPress plugin (`premium-blocks-for-gutenberg`) in the WordPress admin plugins list.
- Confirm whether the installed version is `2.3.18` or earlier.

## Timeline

- 2026-11-07T13:47:26+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-123474

## From the sources

Missing Authorization vulnerability in LeapWorx Premium Blocks – Gutenberg Blocks for WordPress premium-blocks-for-gutenberg allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Premium Blocks – Gutenberg Blocks for WordPress: from n/a through 2.3.18.

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_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_