Embed codes not exported when using "wordpress to hugo"

Using https://github.com/SchumacherFM/wordpress-to-hugo-exporter from @SchumacherFM

i noticed that posts including embed codes such as below,

<iframe src="https://player.vimeo.com/video/152639172?color=4579a3&title=0&portrait=0&badge=0" width="450" height="253" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>

would not export the embed part,

is it because there is no equivalent in markdown? Is it possible to tweak something to export the embed (even as a quote) to be able to tinker with the .md files maybe?