CVE-2025-66431

High

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."

SeverityHigh
CVSS7.8
Exploit probability—
ProductPlesk
PublishedDec 3, 2025
First seenDec 3, 2025
Weakness typeCWE-61CWE-61

How to fix

Update
  • Plesk Plesk18.0.73.5, 18.0.74.2 or later

Affected products

ProductAffected versionsFixed in
Plesk Pleskv < 18.0.73.5, 18.0.74 ≤ v < 18.0.74.218.0.73.5, 18.0.74.2

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2025-66431 · Plesk · Dark Radar