This question is an exact duplicate of:
When browsing the site I notices that in the hot question section of the sidebar there was a link to this post on SuperUser. The link looked a little strange, as shown in the image:
If I'm not mistaken, the dollar-signs in the title triggers LaTeX rendering mode which I guess isn't the idea. Maybe there should be a check to only render Math-SE questions with LaTeX?
Also, when searching, I found a post with Javscript-code which in the post is rendered correctly but in the search results also trigger LaTeX rendering like in the following picture:
Sorry if this is already noted but I couldn't find any post mentioning this.