---
id: CVE-2025-66430
title: Plesk 18.0 has Incorrect Access Control.
summary: Plesk 18.0 has Incorrect Access Control.
severity: critical
cvss: 9.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-284
vendor: plesk
product: plesk
affected:
  - 'plesk >= 18.0.70, < 18.0.73.5'
  - 'plesk >= 18.0.74, < 18.0.74.2'
patched:
  - plesk 18.0.74.2
published: '2025-12-12'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T17:10:00.210'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-66430'
references:
  - url: 'https://docs.plesk.com/release-notes/obsidian/whats-new/'
    label: cve@mitre.org
  - url: >-
      https://support.plesk.com/hc/en-us/articles/36261922405015--CVE-2025-66430-Security-vulnerability-in-Password-Protected-Directories-allows-Plesk-users-to-gain-root-level-access-to-a-Plesk-server
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00551
epssPercentile: 0.44722
ingestedAt: '2026-10-14T17:44:53.605Z'
---

## Overview

Plesk 18.0 has Incorrect Access Control.

## Affected

- `plesk >= 18.0.70, < 18.0.73.5`
- `plesk >= 18.0.74, < 18.0.74.2`

## Remediation

Upgrade past the affected range:

- `plesk 18.0.74.2`