Read the docs
TI-2025-40863 Aliases CVE-2025-66430GHSA-r6m5-94xr-hjvj

Plesk 18.0 has Incorrect Access Control.

Priority MEDIUM 48CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-284.

Summary

Plesk 18.0 has Incorrect Access Control.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00551 46th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:plesk:plesk:*:*:*:*:*:*:*:*18.0.70 to before 18.0.73.5VulnerablePlesk
cpe:2.3:a:plesk:plesk:*:-:*:*:*:*:*:*18.0.74 to before 18.0.74.2VulnerablePlesk
  • cpe:2.3:a:plesk:plesk:*:*:*:*:*:*:*:* Versions 18.0.70 to before 18.0.73.5 Vulnerable ·Plesk
  • cpe:2.3:a:plesk:plesk:*:-:*:*:*:*:*:* Versions 18.0.74 to before 18.0.74.2 Vulnerable ·Plesk

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-66430
  2. 2026-10-03 Alias added: GHSA-r6m5-94xr-hjvj

References

  • TI-2021-20370 Plesk 18.0.37 is affected by a Cross Site Request Forgery (CSRF) vulnerability that… CVSS 3.1MEDIUM 6.5
  • TI-2021-20371 Plesk CMS 18.0.37 is affected by an insecure permissions vulnerability that allows… CVSS 3.1HIGH 8.8
  • TI-2023-00785 Cross-Site Scripting (XSS) vulnerability in Plesk CVSS 3.1CRITICAL 9.0
  • TI-2023-04541 Uncontrolled search path in Plesk Installer CVSS 3.1HIGH 7.8

Sources