CVE-2022-34473 — MEDIUM (6.1)

Vulnerability Description

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.

CVSS Score

6.1

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Mozilla	Firefox	< 102.0

Related Weaknesses (CWE)

CWE-79

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1770888Issue TrackingPermissions RequiredVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-24/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1770888Issue TrackingPermissions RequiredVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-24/Vendor Advisory

FAQ

What is CVE-2022-34473?

CVE-2022-34473 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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 vulnerab...

How severe is CVE-2022-34473?

CVE-2022-34473 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-34473?

Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.