Vulnerability CVE-2022-28286
Published: 2022-12-22

Description:
Due to a layout change, iframe contents could have been rendered outside of its border. This could have led to user confusion or spoofing attacks. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.

 References:
https://www.mozilla.org/security/advisories/mfsa2022-13/
https://bugzilla.mozilla.org/show_bug.cgi?id=1735265
https://www.mozilla.org/security/advisories/mfsa2022-15/
https://www.mozilla.org/security/advisories/mfsa2022-14/
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