CVE-2022-45404 Security feature bypass in Firefox

Medium 6.5 Published Updated

Attackers can force fullscreen mode without user notification via popup and print calls, enabling spoofing attacks in Firefox and Thunderbird.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2022-45404?

CVE-2022-45404 is a medium-severity vulnerability in Mozilla Firefox, published on 22 Dec 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Through a series of popup and <code>window.print()</code> calls, an attacker can cause a window to go fullscreen without the user seeing the notification prompt, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

Weakness: CWE-451

Which versions are affected by CVE-2022-45404?

It affects 3 products.

Products include Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.

How do I fix CVE-2022-45404?

Upgrade to a fixed version.

Is CVE-2022-45404 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-45404 exists.

All Mozilla Firefox vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-45404, GHSA-547p-jx2r-224g, UBUNTU-CVE-2022-45404.

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