#VU85811 Universal cross-site scripting in Focus for iOS - CVE-2024-0606

Vulnerability identifier: #VU85811

Vulnerability risk: High

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-0606

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Focus for iOS
Client/Desktop applications / Web browsers

Vendor: Mozilla

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when using window.open() method. A remote attacker can execute arbitrary HTML and script code in user's browser in context of any website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Focus for iOS: 2.0 - 121.0

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External links
https://bugzilla.mozilla.org/show_bug.cgi?id=1855030
https://www.mozilla.org/security/advisories/mfsa2024-03/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.