Aristedis

Although the URLs being shared, should be, according to Google Analytics data model, be shown under the Social Entity dimension, I still have a result of “(not set)”.

However, setting Page Title as a secondary dimension in the Acquisition > Social > Plugins report (primary set to Social Source & Action), works, almost, just as well. Or alternatively you can set Shared URL as the secondary dimension.

So for the time being, I can consider this issue as ‘resolved’

I was having the same problem and found a work-around solution. Instead of using doubel quotes (“”) try using the single quote (‘ ‘).
Eg.<a href='https://your.link'></a> instead of
<a href="https://your.link"></a>

I tried what you suggested ( and thanks for the reply by the way)
and what happens is tha the <script> tags disappear as soon as I press save