Critical 9.1Published Dec 11, 2025

CVE-2025-66430Plesk 18.0 has Incorrect Access Control.

Updated under an hour ago (Oct 28, 2026, 8:23 AM ET)

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Exploited in the last 30 days

Plesk 18.0 has Incorrect Access Control.

CVSS: 9.1 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness (CWE): CWE-284
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mitre
NVD analysis: Analyzed
Record last updated: Dec 12, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

plesk plesk plesk:plesk	from 18.0.70 before 18.0.73.5; from 18.0.74 before 18.0.74.2	NVD

References

References

https://docs.plesk.com/release-notes/obsidian/whats-new/	product
https://support.plesk.com/hc/en-us/articles/36261922405015--CVE-2025-66430-Security-vulnerability-in-Password-Protected-Directories-allows-Plesk-users-to-gain-root-level-access-to-a-Plesk-server	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.