CVE-2024-1555 Security feature bypass in Firefox
Attackers can bypass SameSite cookie protections when using the firefox:// protocol handler, potentially leading to session hijacking or CSRF attacks.
- 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-2024-1555?
CVE-2024-1555 is a high-severity vulnerability in Mozilla Firefox, published on 20 Feb 2024. 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
When opening a website using the `firefox://` protocol handler, SameSite cookies were not properly respected. This vulnerability affects Firefox < 123.
Weakness: CWE-290
Which versions are affected by CVE-2024-1555?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2024-1555?
Upgrade to a fixed version.
Is CVE-2024-1555 being exploited?
There is no known exploitation of CVE-2024-1555 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-j6qq-7xp7-c5p5, UBUNTU-CVE-2024-1555.