---
id: CVE-2025-66099
title: >-
  Missing Authorization vulnerability in ThemeAtelier Chat Help chat-help allows
  Exploiting Incorrectly Configured Access Control Security Levels.This issue
  affects Chat Help: from n/a through <= 3.1.3.
summary: >-
  Missing Authorization vulnerability in ThemeAtelier Chat Help chat-help allows
  Exploiting Incorrectly Configured Access Control Security Levels.This issue
  affects Chat Help: from n/a through <= 3.1.3.
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-862
published: '2025-11-21'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T10:10:00.227'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-66099'
references:
  - url: >-
      https://patchstack.com/database/Wordpress/Plugin/chat-help/vulnerability/wordpress-chat-help-plugin-3-1-3-broken-access-control-vulnerability?_s_id=cve
    label: audit@patchstack.com
tags:
  - nvd
epss: 0.00216
epssPercentile: 0.10996
ingestedAt: '2026-10-08T10:28:20.170Z'
---

## Overview

Missing Authorization vulnerability in ThemeAtelier Chat Help chat-help allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Chat Help: from n/a through <= 3.1.3.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.