Vulnerability in Plesk

CVE-2025-66430

Plesk 18.0 has Incorrect Access Control.

EPSS: 0.004 (34.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

  • Plesk
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-66430?
CVE-2025-66430 is a critical-severity vulnerability in Plesk, classified under Improper Access Control. CVSS score: 9.1/10. Published 2025-12-12.
How severe is CVE-2025-66430?
Critical severity. CVSS v3 base score is 9.1 out of 10.