CVE-2023-37455 Security feature bypass in Firefox for iOS

Q: Is CVE-2023-37455 being exploited?

There is no known exploitation of CVE-2023-37455 in the wild and no public exploit code.

Q: How do I fix CVE-2023-37455?

No fix has been published for CVE-2023-37455 yet. Limit exposure of the affected software until one is available.

Medium 5.4 Published 12 Jul 2023 Updated 7 Nov 2024

An attacker can spoof permission prompts by overlaying background tab requests on the foreground tab, bypassing user consent mechanisms in Firefox for iOS.

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: None listed

What is CVE-2023-37455?

CVE-2023-37455 is a medium-severity vulnerability in Mozilla Firefox, published on 12 Jul 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

The permission request prompt from the site in the background tab was overlaid on top of the site in the foreground tab. This vulnerability affects Firefox for iOS < 115.

Weakness: CWE-1021

Which versions are affected by CVE-2023-37455?

It affects 1 product.

Products include Mozilla Firefox.

How do I fix CVE-2023-37455?

No fix has been published for CVE-2023-37455 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-37455 being exploited?

There is no known exploitation of CVE-2023-37455 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-3mvg-pwgj-w59x.