CVE-2026-87898 PUBLISHED

Assigner: hackerone
Reserved: 09.09.2026 Published: 23.09.2026 Updated: 23.09.2026

OS command injection in Plesk allows remote authenticated users to execute arbitrary code with root privileges.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 9.4

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	Low
User Interaction	None

CVSS 4.0

Vendor	WebPros
Product	Plesk extension "Site Import"
Versions	affected from 1.6.6 to 1.12.1 (incl.) unaffected from 1.12.2 to 1.12.2 (excl.)