Vulnerability identifier: #VU61888

Vulnerability risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28284

CWE-ID: CWE-254

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mozilla Firefox
Client/Desktop applications / Web browsers

Vendor: Mozilla

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to an error that allowed the SVG's <use> element to load unexpected content and execute it under certain circumstances. A remote attacker can bypass implemented security restrictions and execute arbitrary JavaScript code in victim's browser.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 92.0 - 98.0.2

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External links
http://www.mozilla.org/en-US/security/advisories/mfsa2022-13/

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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.