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Vulnerability record · CVE-2021-44748 · published 6 March 2022

CVE-2021-44748: F-secure safe cross-site scripting vulnerability

F Secure · Safe

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.

6.1 CVSS 3.1 Medium EPSS 0.55% · top 56.4% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
0.55%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-44748 Vendor Advisory
https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-44748 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.6CVE-2021-44749F-secure safe cross-site scripting vulnerabilityA vulnerability affecting F-Secure SAFE browser protection was discovered improper URL handling can be triggered to cause universal cross-site script…EPSS 0.82%8.8CVE-2022-28872F-secure safe vulnerabilityA vulnerability affecting F-Secure SAFE browser was discovered. A maliciously crafted website could make a phishing attack with address bar spoofing …EPSS 0.49%8.1CVE-2020-14977F-secure safe vulnerabilityAn issue was discovered in F-Secure SAFE 17.7 on macOS. The XPC services use the PID to identify the connecting client, which allows an attacker to p…EPSS 2.8%8.1CVE-2020-14978F-secure safe vulnerabilityAn issue was discovered in F-Secure SAFE 17.7 on macOS. Due to incorrect client version verification, an attacker can connect to a privileged XPC ser…EPSS 3.1%7.8CVE-2019-11644F-secure client security uncontrolled search path element vulnerabilityIn the F-Secure installer in F-Secure SAFE for Windows before 17.6, F-Secure Internet Security before 17.6, F-Secure Anti-Virus before 17.6, F-Secure…EPSS 1.5%6.5CVE-2022-38164F-secure safe authentication bypass by spoofing vulnerabilityA vulnerability affecting F-Secure SAFE browser for Android and iOS was discovered. A maliciously crafted website could make a phishing attack with U…EPSS 0.47%5.4CVE-2022-47524F-secure safe vulnerabilityF-Secure SAFE Browser 19.1 before 19.2 for Android allows an IDN homograph attack.EPSS 0.35%5.3CVE-2021-44751F-secure safe incorrect default permissions vulnerabilityA vulnerability affecting F-Secure SAFE browser was discovered. A maliciously crafted website attached with USSD code in JavaScript or iFrame can tri…EPSS 0.58%

Source: NIST National Vulnerability Database (record CVE-2021-44748), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.