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

Vendor	Product	Versions
Webpros	Plesk	<18.0.73.5, 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.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	webpros	plesk	<18.0.73.5	/	/	/	/	/	/	/
a	webpros	plesk	18.0.74	<18.0.74.2	/	/	/	/	/	/

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 recently published to the CVE List and has been received by the NVD.

More info

Source

cve@mitre.org

CVE-2025-66431