6.1

CVE-2022-34473: mozilla firefox Cross-site Scripting

CVSS: 6.1v3.1MediumModified
AliasesUBUNTU-CVE-2022-34473
Published 22-12-2022Last modified 15-04-2025
Open JSON

Vulnerability summary

CVE-2022-34473 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in mozilla firefox. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.5% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.38%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 6
OPENSUSE-SU-2024:12184-1OPENSUSE-SU-2024:14572-1SUSE-SU-2022:3272-1SUSE-SU-2022:3273-1SUSE-SU-2022:3396-1USN-5504-1

Timeline

  1. 22-12-2022
    PublishedVulnerability first disclosed.
  2. 15-04-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.38%

Chance of exploitation in the next 30 days

Percentile

31%

Versus all other CVEs

30-day change

+0.01 pp

From 0.37% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.38%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Mozilla1 product
  • firefox≥ unspecified, < 102 | < 102.0
Ubuntu1 product
  • firefox< 102.0+build2-0ubuntu0.18.04.1 | < 102.0+build2-0ubuntu0.20.04.1

2 vendors · 2 products

References

6 links