Random blank (draft) post appearing irregularly – What is going on?

Logging in as Admin user – I sometimes discover > Posts

There are 2-3 untitled and empty posts, as drafts – they appear to have self generated. Initially thought this was a bug but now wonder if it symptomatic of an undetected hack or compromise?

v5.1, (began happening since v4.x)

• This topic was modified 5 years, 12 months ago by agemo.