← Vulnerability feed

Vulnerability record · CVE-2025-66430 · published 12 December 2025

CVE-2025-66430: Plesk improper access control vulnerability

Plesk · Plesk

Plesk 18.0 has Incorrect Access Control.

9.1 CVSS 3.1 Critical EPSS 0.48% · top 61.0% CWE-284 · Improper access control
9.1CVSS 3.1 base score
0.48%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Plesk 18.0 has Incorrect Access Control.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

Track CVE-2025-66430 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.0CVE-2023-0829Plesk cross-site scripting vulnerabilityPlesk 17.0 through 18.0.31 version, is vulnerable to a Cross-Site Scripting. A malicious subscription owner (either a customer or an additional user)…EPSS 0.59%8.8CVE-2021-45008Plesk vulnerabilityPlesk CMS 18.0.37 is affected by an insecure permissions vulnerability that allows privilege Escalation from user to admin rights. OTE: the vendor st…EPSS 2.0%7.8CVE-2023-4931Plesk uncontrolled search path element vulnerabilityUncontrolled search path element vulnerability in Plesk Installer affects version 3.27.0.0. A local attacker could execute arbitrary code by injectin…EPSS 0.25%6.5CVE-2021-45007Plesk cross-site request forgery vulnerabilityPlesk 18.0.37 is affected by a Cross Site Request Forgery (CSRF) vulnerability that allows an attacker to insert data on the user and admin panel. NO…EPSS 0.73%7.8CVE-2026-81963Windows Update Stack link-following privilege escalationWindows Update Stack resolves links improperly before accessing files, a link-following flaw (CWE-59) compounded by improper access control (CWE-284)…KEVEPSS 0.39%analysed10.0CVE-2026-21962Oracle HTTP Server and WebLogic Proxy Plug-in improper access controlOracle HTTP Server and the WebLogic Server Proxy Plug-in (for Apache HTTP Server and IIS) contain an improper access control flaw (CWE-284) in suppor…KEVEPSS 71%analysed10.0CVE-2026-34908Ubiquiti UniFi OS improper access control allows unauthorized system changesUniFi OS devices contain an improper access control flaw (CWE-284) that lets a network-reachable actor make unauthorized changes to the system. The C…KEVEPSS 15%analysed10.0CVE-2026-48907JCE editor for Joomla allows unauthenticated profile creation and PHP uploadThe JCE editor extension for Joomla permits unauthenticated users to create new editor profiles, which leads to upload and execution of PHP code. Thi…KEVEPSS 16%analysed

Source: NIST National Vulnerability Database (record CVE-2025-66430), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.