CVE-2023-4931: Plesk

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Uncontrolled search path element vulnerability in Plesk Installer affects version 3.27.0.0. A local attacker could execute arbitrary code by injecting DLL files into the same folder where the application is installed, resulting in DLL hijacking in edputil.dll, samlib.dll, urlmon.dll, sspicli.dll, propsys.dll and profapi.dll files.

Affected products

• Plesk Plesk: version 3.27.0.0 only

Published 2023-11-27. Last modified 2026-06-17.