説明
The z-order of the browser windows could be manipulated to hide the fullscreen notification. This could potentially be leveraged to perform a spoofing attack. This vulnerability affects Firefox < 135 and Thunderbird < 135.
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影響を受ける製品
mozillafirefox
mozillathunderbird
参照
- https://bugzilla.mozilla.org/show_bug.cgi?id=1940162Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-07/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-11/Vendor Advisory