A malicious site could spoof the contents of the print preview window if popup windows are enabled, resulting in user confusion of what site is currently loaded.
A malicious site could spoof the contents of the print preview window if popup windows are enabled, resulting in user confusion of what site is currently loaded.
https://www.mozilla.org/en-US/security/advisories/mfsa2017-05/#CVE-2017-5421 https://bugzilla.mozilla.org/show_bug.cgi?id=1301876