CVE-2022-22754 Security feature bypass in Firefox
An attacker can bypass permission prompts during extension auto-updates, gaining unauthorized privileges if a specific extension type is installed.
- 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-2022-22754?
CVE-2022-22754 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
If a user installed an extension of a particular type, the extension could have auto-updated itself and while doing so, bypass the prompt which grants the new version the new requested permissions. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
Weakness: CWE-863
Which versions are affected by CVE-2022-22754?
It affects 3 products.
Products include Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.
How do I fix CVE-2022-22754?
Upgrade to a fixed version.
Is CVE-2022-22754 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-22754 exists.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as DEBIAN-CVE-2022-22754, GHSA-mhvm-x9qg-34cw, UBUNTU-CVE-2022-22754.