High severity7.8NVD Advisory· Published Dec 3, 2025· Updated Apr 15, 2026

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."

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

docs.plesk.com/release-notes/obsidian/change-log/nvd
docs.plesk.com/release-notes/obsidian/whats-new/nvd
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-rootnvd

News mentions

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cvss	0.507
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000