---
id: "CVE-2026-121724"
page: "https://infrastack.ai/live/CVE-2026-121724"
kind: "vulnerability"
aliases: ["CVE-2026-121724"]
title: "WordPress Contextual Related Posts plugin: missing authorization check through 4.5.3"
severity: "medium"
cvss: 4.3
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["contextual-related-posts", "package", "self-hosted", "wordpress"]
not_affected_if: ["plugin-not-installed"]
published_at: "2026-11-07T11:17:00+00:00"
first_seen_at: "2026-11-07T11:46:53+00:00"
updated_at: "2026-11-07T11:48:39+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-121724", "first_seen_at": "2026-11-07T11:46:53+00:00"}]
exploit_sources: []
---

# WordPress Contextual Related Posts plugin: missing authorization check through 4.5.3

Link for people: https://infrastack.ai/live/CVE-2026-121724 (this .md is for agents)

The Contextual Related Posts WordPress plugin, from its earliest release through version 4.5.3, has a missing authorization check. The sources say an attacker can exploit incorrectly configured access control to reach functions they should not.

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

## How to check

- Check the installed plugin version in the WordPress admin under Plugins, or look for the `contextual-related-posts` plugin directory and its main file header.

## Fix

- Move the `contextual-related-posts` plugin to a version later than `4.5.3`, if the sources name one; the sources do not state a fixed version.

## Timeline

- 2026-11-07T11:46:53+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-121724

## From the sources

Missing Authorization vulnerability in WebberZone Contextual Related Posts contextual-related-posts allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Contextual Related Posts: from n/a through 4.5.3.

---

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