- Plesk Onyx for Linux
The extension Joomla! Toolkit is installed on a Plesk for Linux server.
The subscription example.com is owned by the customer John Doe and assigned to the service plan named Example_Plan.
The permission Access to Joomla! Toolkit is not granted in Service Plans > Example_Plan > Permissions.
Despite that, the button Install added by Joomla! Toolkit is still shown when logged into Plesk as the customer:
The bug in the extension Joomla! Toolkit EXTCERT-1933 which was fixed in the extension version 2.1.0-210.
Update the extension Joomla! Toolkit to the latest version.