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CVE-2022-34473

Date: December 22, 2022

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.

Severity Score

Related Resources (7)

https://people.canonical.com/~ubuntu-security/cve/CVE-2022-34473
https://nvd.nist.gov/vuln/detail/CVE-2022-34473
https://bugzilla.mozilla.org/show_bug.cgi?id=1770888
https://www.mozilla.org/en-US/security/advisories/mfsa2022-24/#CVE-2022-34473
https://security.alpinelinux.org/vuln/CVE-2022-34473
https://www.mozilla.org/security/advisories/mfsa2022-24/
https://www.mend.io/vulnerability-database/CVE-2022-34473

Severity Score

Weakness Type (CWE)

Cross-Site Scripting (XSS)

CWE-79

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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