Privilege Escalation via TreeMultiselectField in SilverStripe

CVE-2011-4961 · MEDIUM Severity

AV:N/AC:M/AU:S/C:P/I:P/A:P

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.

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