XSS injection vulnerability
Post: [This forum has an XSS injection vulnerability](https://forum.nim-lang.org/t/11161)

Forum search results are truncated, and the HTML code in the post is executed.

My username and password were automatically populated into an edit box by the Edge browser.
![image](https://github.com/nim-lang/nimforum/assets/19519128/e02e2512-0364-48b8-b64f-85a7032b63fb)
