CVE-2023-25748 Security feature bypass in Firefox

Medium 4.3 Published Updated

Attackers can hide fullscreen notifications via long prompts, enabling user confusion or spoofing attacks in Firefox for Android.

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-2023-25748?

CVE-2023-25748 is a medium-severity vulnerability in Mozilla Firefox, published on 2 Jun 2023. 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

By displaying a prompt with a long description, the fullscreen notification could have been hidden, resulting in potential user confusion or spoofing attacks. <br>*This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 111.

Weakness: CWE-1021

Which versions are affected by CVE-2023-25748?

It affects 1 product.

Products include Mozilla Firefox.

How do I fix CVE-2023-25748?

Upgrade to a fixed version.

Is CVE-2023-25748 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-25748 exists.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-mc5v-8859-pvcf.

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