Board Thread:Support Requests - Getting Technical/@comment-25554800-20160729110528/@comment-24473195-20160729123505

Yes, that's the risk, that admins may use it for something other than just wiki things. In fact, if a malicious admin gets ahold of someone's account and adds their data that would result in a serious privacy issue.

Considering that they re-blacklisted the external image "whitelist", it is highly doubtful that this would be approved. I suspect Special:Contact is the best first step to avoid wasting time developing this, only to get it rejected.