CVE-2022-45420 Other in Firefox

Medium 6.5 Published Updated

An attacker can spoof UI elements by rendering iframe content outside its boundaries, potentially confusing users 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-2022-45420?

CVE-2022-45420 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

Use tables inside of an iframe, an attacker could have caused iframe contents to be rendered outside the boundaries of the iframe, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

Weakness: CWE-1021

Which versions are affected by CVE-2022-45420?

It affects 3 products.

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

How do I fix CVE-2022-45420?

Upgrade to a fixed version.

Is CVE-2022-45420 being exploited?

There is no known exploitation of CVE-2022-45420 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-45420, GHSA-6pf3-q3cx-w87c, UBUNTU-CVE-2022-45420.

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