CVE-2022-34468 Security feature bypass in Firefox
Attackers can execute JavaScript in restricted iframes via javascript: links, bypassing security controls 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-2022-34468?
CVE-2022-34468 is a high-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
An iframe that was not permitted to run scripts could do so if the user clicked on a <code>javascript:</code> link. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.
Weakness: CWE-829
Which versions are affected by CVE-2022-34468?
It affects 3 products.
Products include Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.
How do I fix CVE-2022-34468?
Upgrade to a fixed version.
Is CVE-2022-34468 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-34468 exists.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as DEBIAN-CVE-2022-34468, GHSA-g34x-fm45-8xww, UBUNTU-CVE-2022-34468.