Given my experiences with C-level executives it's unlikely the leadership thought this was a "real" security issue - and it is entirely possible that there have

Given my experiences with C-level executives it's unlikely the leadership thought this was a "real" security issue - and it is entirely possible that there haven't been any attacks made using this vulnerability - Zecco isn't Fidelity or MorganStanley. Wouldn't the FTC want to know about this though, as this would be a great way to execute a pump-and-dump scam...