---
id: "CVE-2026-122670"
page: "https://infrastack.ai/live/CVE-2026-122670"
kind: "vulnerability"
aliases: ["CVE-2026-122670"]
title: "Polylang WordPress plugin: missing authorization check exposes access control"
severity: "medium"
cvss: 5.4
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["package", "polylang", "self-hosted", "wordpress"]
not_affected_if: ["polylang-not-installed"]
published_at: "2026-11-06T23:17:21+00:00"
first_seen_at: "2026-11-06T23:44:35+00:00"
updated_at: "2026-11-06T23:45:11+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-122670", "first_seen_at": "2026-11-06T23:44:35+00:00"}]
exploit_sources: []
---

# Polylang WordPress plugin: missing authorization check exposes access control

Link for people: https://infrastack.ai/live/CVE-2026-122670 (this .md is for agents)

Polylang, a WordPress translation plugin, has a missing authorization check that lets a user reach functions they should not. The sources do not say what data or actions an attacker gets beyond that.

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

## How to check

- Check the installed Polylang version in the WordPress admin plugins list or with `wp plugin get polylang --field=version`
- Confirm whether the site runs Polylang at all

## Fix

- Polylang: versions after `3.9` per the NVD description; exact fixed version unknown

## Timeline

- 2026-11-06T23:44:35+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-122670

## From the sources

Missing Authorization vulnerability in WP SYNTEX Polylang polylang allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Polylang: from n/a through 3.9.

---

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