Everytime I post or reblog anything this little square-link-thingy appears, I have not changed anything, one day it started appearing. When I see the html code this is what it always says and I have to delete it every single fucking time:
<p><iframe class=”cnagkudvmrhfftjyomhf” scrolling=”no”…
Still can’t find a solution so I apologize for the annoying little square that sometimes appears on my posts. Contacted Tumblr but nothing happened.