plesk Latest High & Critical Vulnerabilities

Latest High & Critical vulnerabilities published by plesk

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8 January 2026

Denial of Service Vulnerability in Plesk Obsidian by Plesk
CVE-2025-65518
PleskPlesk Obsidian7.5HIGH

12 December 2025

Access Control Flaw in Plesk 18.0 Leading to Root-Level Access
CVE-2025-66430
PleskPlesk👾📰9.1CRITICAL

3 December 2025

Remote Code Execution Vulnerability in Plesk by WebPros
CVE-2025-66431
PleskPlesk7.8HIGH

19 August 2025

Authentication Bypass in Plesk Obsidian by Plesk
CVE-2025-54336
PleskPlesk Obsidian9.8CRITICAL

27 November 2023

Uncontrolled search path element vulnerability in Plesk
CVE-2023-4931
PleskPlesk Installer7.8HIGH

22 September 2023

Access Key Exposure in Plesk Onyx Affects AWS Firehose Integration
CVE-2023-43784
PleskOnyx7.5HIGH

20 September 2023

Cross-Site Scripting (XSS) vulnerability in Plesk
CVE-2023-0829
PleskPlesk8.8HIGH

21 February 2022

Insecure Permissions in Plesk CMS Leading to Privilege Escalation
CVE-2021-45008
PleskPlesk👾🟡8.8HIGH