I posted an issue about this widget displaying correctly in default theme in wordpress and not displaying correctly in Abundance theme. Kriesi replied saying he’s gonna look into it for the next update of Abundance.
I did some research and with the help of the woocommerce devs it turns out the error is in the woocommerce itself, it does not display correctly if there is more than 1 level of subcategories.
So this is not a support question it’s just to let Kriesi know there’s nothing wrong with Abundance in relation with this particular widget and it will just be solved in the next update of woocommerce, prolly 1.5.4 or something.
You can close this thread as soon as someone from the kriesi team took note of this.