When I tried to post a link to my WordPress website, weird garbage would d come up in the description area (viagra, etc.). A friend of min found the fix.
1. Do a view source, then search on the term you're looking for. When you find it, determine which section it is in. It was in my header and, since that is probably what is displayed, that's probably where it usually is.
2. Edit WorPress. Select Appearance on the left side of the menu. Select editor. Mine was in the header, so I chose that (right side) to edit. I searched for the bad code, found it and deleted everything I could see that didn't belong theer.
Hopefully, this will help some people.