I tried to use Softaculous in combination with Plesk. First of all I wanted to disable all software so that I could enable some installations for selected users only. To achieve this I created a plan "default" which covers all service plans created in Plesk and gave them no rights on any software. First this seems to be working fine, but than I noticed that several users are still allowed to install any software. After some testing I found the reason for this behavior: If a user has in addition to his regular service plan a service plan add-on (e.g. to give him additional webspace) the Softaculous plan does not cover this user any more and the user has access to all software installations.
Could you please check this and give me a hint how to solve this problem?