CVE-2011-4961: Silverstripe

Medium severity, CVSS 6.0. EPSS: 1.6% chance of exploitation in the next 30 days.

SilverStripe 2.3.x before 2.3.12 and 2.4.x before 2.4.6 allows remote authenticated users with the EDIT_PERMISSIONS permission to gain administrator privileges via a TreeMultiselectField that includes admin groups when adding a user to the selected groups.

Affected products

• Silverstripe Silverstripe: version 2.3.0 only; version 2.3.1 only; version 2.3.2 only; version 2.3.3 only; version 2.3.4 only; version 2.3.5 only; …

Published 2012-09-17. Last modified 2026-06-16.