CVE-2021-44749 Universal Cross-Site Scripting Vulnerability in F-Secure SAFE Browser Protection for Android
Universal cross-site scripting in F-Secure SAFE Browser allows arbitrary code execution via improper URL handling, requiring user interaction.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-44749?
CVE-2021-44749 is a medium-severity cross-site scripting vulnerability in F-Secure SAFE Browser for Android Version 18.5, published on 6 Mar 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A vulnerability affecting F-Secure SAFE browser protection was discovered improper URL handling can be triggered to cause universal cross-site scripting through browsing protection in a SAFE web browser. User interaction is required prior to exploitation. A successful exploitation may lead to arbitrary code execution.
Weakness: CWE-79
Which versions are affected by CVE-2021-44749?
It affects 1 product.
Products include F-Secure Safe.
How do I fix CVE-2021-44749?
No fix has been published for CVE-2021-44749 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-44749 being exploited?
There is no known exploitation of CVE-2021-44749 in the wild and no public exploit code.
Other vulnerabilities in F-Secure SAFE Browser for Android Version 18.5
Sources
Also known as GHSA-q4ff-m563-fvv4.