CVE-2021-44748
CWE-79Published: March 6, 2022· Updated: Jun 17, 2026
Official Description
A vulnerability affecting F-Secure SAFE browser was discovered whereby browsers loads images automatically this vulnerability can be exploited remotely by an attacker to execute the JavaScript can be used to trigger universal cross-site scripting through the browser. User interaction is required prior to exploitation, such as entering a malicious website to trigger the vulnerability.
Technical Analysis
CVE-2021-44748 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.
From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-79)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-44748 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts