An XSS vulnerability that has little harm to thunder

This is not an era in which XSS vulnerabilities are prevalent. This vulnerability has little harm,

The problem actually exists but has little impact.

Vulnerability exploitation address: http://list.daquan.xunlei.com/feedback/collect.php? Callback =?

Code: "src = 1 onerror = alert (/xss/)>"

The constructed address is: "http://list.daquan.xunlei.com/feedback/collect.php? Callback =?

Vulnerability proof: See the following picture.

I want to make the link into a short URL. "Http://goo.gl/2tyxh ." In this way, If WEIBO sends a message, it will be cleaned through the meager short URL. This will be even better.

This vulnerability is rare.