Security features bypass in Mozilla Firefox - CVE-2022-34473

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Main Vulnerability Database Vulnerabilities #VU64767

Security features bypass in Mozilla Firefox - CVE-2022-34473

Published: June 29, 2022


Vulnerability identifier: #VU64767
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-34473
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox

Detailed vulnerability description

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

The vulnerability exists due to improper handling of the xlink:hrefattribute of SVG <use> tags. A remote attacker can bypass the HTML Sanitizerand perform XSS attacks.

How to mitigate CVE-2022-34473

Install updates from vendor's website.

Sources