Plesk

14 CVEs across 5 Plesk products. Browse Plesk vulnerabilities, severities, and proof-of-concept exploits.

Plesk products with known CVEs

ProductCVEs
Plesk6
Obsidian5
Onyx2
Plesk Installer1
Plesk Server Administrator1
Plesk CVEs — newest first
CVESeverityScorePublishedSummary
CVE-2025-66430Critical9.12025-12-12Plesk 18.0 has Incorrect Access Control.
CVE-2025-66431High7.82025-12-03WebPros Plesk before 18.0.73.5 and 18.0.74 before 18.0.74.2 on Linux allows remote authenticated users to execute arbitrary code as root via domain creation. T…
CVE-2025-49618Medium5.82025-07-03In Plesk Obsidian 18.0.69, unauthenticated requests to /login_up.php can reveal an AWS accessKeyId, secretAccessKey, region, and endpoint.
CVE-2023-4931Medium6.32023-11-27Uncontrolled search path element vulnerability in Plesk Installer affects version 3.27.0.0. A local attacker could execute arbitrary code by injecting DLL file…
CVE-2023-43784High7.52023-09-22Plesk Onyx 17.8.11 has accessKeyId and secretAccessKey fields that are related to an Amazon AWS Firehose component. NOTE: the vendor's position is that there i…
CVE-2023-0829High8.82023-09-20Plesk 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), can full…
CVE-2023-24044Medium6.12023-01-22A Host Header Injection issue on the Login page of Plesk Obsidian through 18.0.49 allows attackers to redirect users to malicious websites via a Host request h…
CVE-2022-45130Medium6.52022-11-10Plesk Obsidian allows a CSRF attack, e.g., via the /api/v2/cli/commands REST API to change an Admin password. NOTE: Obsidian is a specific version of the Plesk…
CVE-2021-45008High8.82022-02-21Plesk CMS 18.0.37 is affected by an insecure permissions vulnerability that allows privilege Escalation from user to admin rights. OTE: the vendor states that…
CVE-2021-45007Medium6.52022-02-20Plesk 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. NOTE: the ve…
CVE-2021-35976Medium6.12021-09-10The feature to preview a website in Plesk Obsidian 18.0.0 through 18.0.32 on Linux is vulnerable to reflected XSS via the /plesk-site-preview/ PATH, aka PFSI-6…
CVE-2020-11584Medium6.12020-08-03A GET-based XSS reflected vulnerability in Plesk Onyx 17.8.11 allows remote unauthenticated users to inject arbitrary JavaScript, HTML, or CSS via a GET parame…
CVE-2020-11583Medium6.12020-08-03A GET-based XSS reflected vulnerability in Plesk Obsidian 18.0.17 allows remote unauthenticated users to inject arbitrary JavaScript, HTML, or CSS via a GET pa…
CVE-2001-12222002-03-25Plesk Server Administrator (PSA) 1.0 allows remote attackers to obtain PHP source code via an HTTP request containing the target's IP address and a valid accou…