Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
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Affected Vendors & Products
References
History
No history.
Status: PUBLISHED
Assigner: mozilla
Published: 2021-12-08T21:21:47.000Z
Updated: 2024-08-04T01:44:22.919Z
Reserved: 2021-08-10T00:00:00.000Z
Link: CVE-2021-38506
No data.
Status : Modified
Published: 2021-12-08T22:15:08.897
Modified: 2024-11-21T06:17:16.277
Link: CVE-2021-38506