CVE-2025-66431

HIGH
7.8
CVSS Score
Published: December 3, 2025 at 12:00 AM UTC
Updated: October 18, 2026 at 06:10 PM UTC
1 product affected across 1 vendorPlesk

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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."

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0 ≤ v < 18.0.73.518.0.74 ≤ v < 18.0.74.2018.0.74
Affected range stops below 18.0.73.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 18.0.74.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHmitre
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-61

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