CVE-2022-34473

MEDIUM

Firefox < 102.0 - Cross-Site Scripting via SVG xlink:href Attribute

Title source: llm
STIX 2.1

Description

The HTML Sanitizer should have sanitized the <code>href</code> attribute of SVG <code>&lt;use&gt;</code> tags; however it incorrectly did not sanitize <code>xlink:href</code> attributes. This vulnerability affects Firefox < 102.

References (2)

Core 2
Core References
Issue Tracking, Permissions Required, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1770888

Scores

CVSS v3 6.1
EPSS 0.0054
EPSS Percentile 67.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
mozilla/firefox < 102.0
Published Dec 22, 2022
Tracked Since Feb 18, 2026