SecuriTricks - CVE-2025-66431

Description

WebPros 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. The attacker needs "Create and manage sites" with "Domains management" and "Subdomains management."

Product(s) Impacted

Product	Versions
plesk	<18.0.73.5
plesk	18.0.74

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-61

UNIX Symbolic Link (Symlink) Following

The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files.

References

https://docs.plesk.com/release-notes/obsidian/change-log/#plesk-18074

https://docs.plesk.com/release-notes/obsidian/whats-new/

https://support.plesk.com/hc/en-us/articles/36494997377687--CVE-2025-66431-Security-vulnerability-in-domain-creation-mechanism-allows-Plesk-users-to-execute-arbitrary-code-on-behalf-of-root

CVSS Score

7.8 / 10

CVSS Data - 3.1

Attack Vector: LOCAL
Attack Complexity: HIGH
Privileges Required: LOW
Scope: CHANGED
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH

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

View Vector String

Timeline

Published: Dec. 3, 2025, 5:15 p.m.
Last Modified: Dec. 4, 2025, 5:15 p.m.

Status : Awaiting Analysis

CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.

More info

Source

cve@mitre.org

CVE-2025-66431