CVE-2011-4727: Parallels Plesk Panel

High severity, CVSS 10.0. EPSS: 1.8% chance of exploitation in the next 30 days.

The Server Administration Panel in Parallels Plesk Panel 10.2.0_build1011110331.18 does not properly validate string data that is intended for storage in an XML document, which allows remote attackers to cause a denial of service (parsing error) or possibly have unspecified other impact via a crafted REST URL parameter, as demonstrated by parameters to admin/ and certain other files.

Affected products

• Parallels Parallels Plesk Panel: version 10.2.0_build1011110331.18 only

Published 2011-12-16. Last modified 2026-06-16.