8.8

CVE-2022-38473: mozilla firefox Improper Preservation of Permissions

CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2022-38473DEBIAN-CVE-2022-38473
Published 22-12-2022Last modified 15-04-2025

Vulnerability summary

CVE-2022-38473 is a high (CVSS 8.8) Improper Preservation of Permissions vulnerability in mozilla firefox. EPSS estimates a 0.71% chance of exploitation in the next 30 days, higher than 52.6% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.71%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 30 · Related 12

Timeline

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

Description

A cross-origin iframe referencing an XSLT document would inherit the parent domain's permissions (such as microphone or camera access). This vulnerability affects Thunderbird < 102.2, Thunderbird < 91.13, Firefox ESR < 91.13, Firefox ESR < 102.2, and Firefox < 104.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.71%

Chance of exploitation in the next 30 days

Percentile

53%

Versus all other CVEs

30-day change

+0.02 pp

From 0.69% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.71%

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

Mozilla3 products
  • firefox≥ unspecified, < 104 | < 104.0 | ≥ 102.0, < 102.2
  • firefox_esr≥ unspecified, < 91.13 | ≥ unspecified, < 102.2 | < 91.13
  • thunderbird≥ unspecified, < 102.2 | ≥ unspecified, < 91.13 | < 91.13 | ≥ 102.0, < 102.2
Debian2 products
  • firefox-esr< 102.2.0esr-1
  • thunderbird< 1:102.2.0-1
Ubuntu2 products
  • firefox< 104.0+build3-0ubuntu0.18.04.1 | < 104.0+build3-0ubuntu0.20.04.1
  • thunderbird< 1:102.2.2+build1-0ubuntu0.18.04.1 | < 1:102.2.2+build1-0ubuntu0.20.04.1 | < 1:102.2.2+build1-0ubuntu0.22.04.1

3 vendors · 7 products

References

11 links
Show all 11 references