CVE-2023-25730

Summary

CVE-2023-25730 is a vulnerability affecting Firefox version 109 and below, Thunderbird version 102.8 and below, and Firefox ESR version 102.8 and below. Maliciously crafted web content can exploit this issue by invoking the <code>requestFullscreen</code> function followed by thread blocking, forcing the browser into fullscreen mode indefinitely. This unwanted behavior could lead to user confusion or provide an opportunity for spoofing attacks.

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