WordPress › Social Media Widget « WordPress Plugins
Better to upgrade it to V4 because V3 has sponsored links using a remote include in the source.
I found a paydayloan link in one of my sites, and I traced it back to this widget.
Apparently V4 doesn't have it.
I typed up a little here .. Malicious code and link injection in Social Media Widget Wordpress Plugin V3 - BEWARE ...read more | Freedom to Explore
My advice is : Upgrade it ... or ditch it.
Scan your homepage for outbound links with this tool -> Bad Neighborhood - Link Exchange Tool
Dodgy or what?