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CVE-2020-6810 PUBLISHED

After a website had entered fullscreen mode, it could have used a previously opened popup to obscure the notification that indicates the browser is in fullscreen mode. Combined with spoofing the browser chrome, this could have led to confusing the user about the current origin of the page and credential theft or other attacks. This vulnerability affects Firefox < 74.

EPSS 0.26% · 49.5th percentile

Risk Scores

EPSS Score
0.26%
49.5th percentile

Affected Products

VendorProductVersions
Ubuntu:16.04:LTSfirefox58.0+build6-0ubuntu0.16.04.1, 41.0.2+build2-0ubuntu1, 42.0+build2-0ubuntu1
Ubuntu:18.04:LTSmozjs3838.8.0~repack1-0ubuntu4, 38.8.0~repack1-0ubuntu3, 38.8.0~repack1-0ubuntu1
Ubuntu:18.04:LTSfirefox59.0.2+build1-0ubuntu1, 60.0+build2-0ubuntu1, 60.0.1+build2-0ubuntu0.18.04.1
Ubuntu:20.04:LTSmozjs520, 52.9.1-1ubuntu3, 52.9.1-1build1
Ubuntu:20.04:LTSfirefox72.0.1+build1-0ubuntu1, 73.0+build3-0ubuntu1, 73.0.1+build1-0ubuntu1
Ubuntu:18.04:LTSmozjs520, 52.3.1-7fakesync1, 52.8.1-0ubuntu0.18.04.1

Timeline

References

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