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4.3 Medium

CVE-2024-1548 A website could have obscured the fullscreen notification by using a dropdown select input element

Description

A website could have obscured the fullscreen notification by using a dropdown select input element. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.

Affected products and versions

Product Affected versions Fixed in
Firefox 123 earliest → < 123 123
Firefox ESR 115.8 earliest → < 115.8 115.8
Thunderbird 115.8 earliest → < 115.8 115.8

Other CVEs of Firefox

The 2221 CVEs of Firefox →
CVE-2026-120572 Incorrect boundary conditions in the Layout: Block and Inline component 8.8 High CVE-2026-118027 Frame poisoning in the Layout component 9.1 Critical CVE-2026-118024 Use-after-free in the Graphics: Text component 8.8 High CVE-2026-118025 Other issue in the SVG component 8.8 High
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