CVE-2022-34473

6.1 mediumEPSS 0.4%

Medium (6.1) in mozilla firefox. EPSS 0.4% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

6.1 medium

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 33% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2022-12-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mozilla:firefox

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1770888
https://www.mozilla.org/security/advisories/mfsa2022-24/
https://bugzilla.mozilla.org/show_bug.cgi?id=1770888
https://www.mozilla.org/security/advisories/mfsa2022-24/

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