6.1

CVE-2022-34475: mozilla firefox Cross-site Scripting

CVSS: 6.1v3.1MediumModified
AliasesUBUNTU-CVE-2022-34475
Published 22-12-2022Last modified 15-04-2025

Vulnerability summary

CVE-2022-34475 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in mozilla firefox. EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 47.3% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.59%
0%100%
Low · +0.20 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

Timeline

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

Description

SVG <code>&lt;use&gt;</code> tags that referenced a same-origin document could have resulted in script execution if attacker input was sanitized via the HTML Sanitizer API. This would have required the attacker to reference a same-origin JavaScript file containing the script to be executed. This vulnerability affects Firefox < 102.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.59%

Chance of exploitation in the next 30 days

Percentile

47%

Versus all other CVEs

30-day change

+0.20 pp

From 0.40% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.59%

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