CVE-2020-15648 Security feature bypass in Firefox
Attackers can bypass X-Frame-Options restrictions to frame websites, potentially enabling clickjacking attacks against Firefox and Thunderbird users.
- 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-2020-15648?
CVE-2020-15648 is a medium-severity vulnerability in Mozilla Firefox, published on 10 Aug 2020. 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
Using object or embed tags, it was possible to frame other websites, even if they disallowed framing using the X-Frame-Options header. This vulnerability affects Thunderbird < 78 and Firefox < 78.0.2.
Weakness: CWE-1021
Which versions are affected by CVE-2020-15648?
It affects 2 products.
Products include Mozilla Firefox, Mozilla Thunderbird.
How do I fix CVE-2020-15648?
Upgrade to a fixed version.
Is CVE-2020-15648 being exploited?
There is no known exploitation of CVE-2020-15648 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-jrmg-2w74-rwc9, UBUNTU-CVE-2020-15648.