[Bug] Converting HTML to SVG runs code from the html file

[iHategithub9000]

Describe the bug
you can run code by converting HTML to SVG

To Reproduce
Steps to reproduce the behavior:

1. create an html file
2. <img src="x" onerror="document.write('<h1>lorem ipsum dolor sit amet 🔥</h1>')">
3. convert it to SVG on the website
4. onerror executes

Expected behavior
it doesnt execute

Screenshots

2026-03-12.17-44-41.mp4

Desktop (please complete the following information):

• OS: windows 11
• Browser: tested on chrome
• Version: tested on 145.0.7632.160