Vulnerability · Published Dec 22, 2022 · Assigned by mozilla
CVE-2022-34473
Medium 6.1
In plain English
A medium-severity cross-site scripting in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.4%top 66.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | firefox | 102.0-r0 | ALPINE-CVE-2022-34473 |
| Alpine:v3.21 | firefox | 102.0-r0 | ALPINE-CVE-2022-34473 |
| Alpine:v3.22 | firefox | 102.0-r0 | ALPINE-CVE-2022-34473 |
| Alpine:v3.23 | firefox | 102.0-r0 | ALPINE-CVE-2022-34473 |
| Alpine:v3.21 | librewolf | 102.0-r0 | ALPINE-CVE-2022-34473 |
| Alpine:v3.22 | librewolf | 102.0-r0 | ALPINE-CVE-2022-34473 |
| Alpine:v3.23 | librewolf | 102.0-r0 | ALPINE-CVE-2022-34473 |
| Alpine:v3.24 | librewolf | 102.0-r0 | ALPINE-CVE-2022-34473 |
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N