Pimcore is an Open Source Data & Experience Management Platform. In affected versions the `/admin/object/grid-proxy` endpoint calls `getFilterCondition()` on fields of classes to be filtered for, passing input from the request, and later executes the returned SQL. One implementation of `getFilterCondition()` is in `Multiselect`, which does not normalize/escape/validate the passed value. Any backend user with very basic permissions can execute arbitrary SQL statements and thus alter any data or escalate their privileges to at least admin level. This vulnerability has been addressed in version 11.1.1. Users are advised to upgrade. There are no known workarounds for this vulnerability.
The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.