CVE-2011-4764: Parallels Plesk Small Business Panel

Medium severity, CVSS 4.3. EPSS: 0.8% chance of exploitation in the next 30 days.

Multiple cross-site scripting (XSS) vulnerabilities in the Site Editor (aka SiteBuilder) feature in Parallels Plesk Small Business Panel 10.2.0 allow remote attackers to inject arbitrary web script or HTML via crafted input to a PHP script, as demonstrated by Wizard/Edit/Modules/Image and certain other files.

Affected products

• Parallels Parallels Plesk Small Business Panel: version 10.2.0 only

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