To clarify, did you try this with a remotely hosted .html file or one on the local hard drive? Browsers treat this case specially and allow more access to the l

To clarify, did you try this with a remotely hosted .html file or one on the local hard drive? Browsers treat this case specially and allow more access to the local filesystem. Putting an html file with an <img src="file:///..."> in it on a remote server should not trigger the vulnerability, if I understand correctly.