CVE-2024-7525 Security feature bypass in Firefox
A web extension with minimal permissions could use StreamFilter to read and modify response bodies on any site, bypassing security restrictions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-7525?
CVE-2024-7525 is a critical vulnerability in Mozilla Firefox, published on 6 Aug 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
It was possible for a web extension with minimal permissions to create a `StreamFilter` which could be used to read and modify the response body of requests on any site. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.
Which versions are affected by CVE-2024-7525?
It affects 3 products.
Products include Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.
How do I fix CVE-2024-7525?
Upgrade to a fixed version.
Is CVE-2024-7525 being exploited?
There is no known exploitation of CVE-2024-7525 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as DEBIAN-CVE-2024-7525, GHSA-7369-x5q2-rh2m, UBUNTU-CVE-2024-7525.