6.5

CVE-2022-31744: mozilla firefox Cross-site Scripting

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2022-31744DEBIAN-CVE-2022-31744
Published 22-12-2022Last modified 15-04-2025
Open JSON

Vulnerability summary

CVE-2022-31744 is a medium (CVSS 6.5) Cross-site Scripting vulnerability in mozilla firefox. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.4% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.60%
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 27 · Related 10
DLA-3064-1DSA-5172-1DSA-5175-1MGASA-2022-0251MGASA-2022-0253OPENSUSE-SU-2024:12121-1

Timeline

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

Description

An attacker could have injected CSS into stylesheets accessible via internal URIs, such as resource:, and in doing so bypass a page's Content Security Policy. This vulnerability affects Firefox ESR < 91.11, Thunderbird < 102, Thunderbird < 91.11, and Firefox < 101.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.60%

Chance of exploitation in the next 30 days

Percentile

47%

Versus all other CVEs

30-day change

+0.02 pp

From 0.58% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.60%

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

Ubuntu7 products
  • firefox< 101.0.1+build1-0ubuntu0.18.04.1 | < 101.0.1+build1-0ubuntu0.20.04.1
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
  • mozjs68All versions (No fix recorded)
  • mozjs78All versions (No fix recorded)
Mozilla3 products
  • firefox≥ unspecified, < 101 | < 101.0
  • firefox_esr≥ unspecified, < 91.11 | < 91.11
  • thunderbird≥ unspecified, < 102 | ≥ unspecified, < 91.11 | < 91.11
Debian2 products
  • firefox-esr< 91.11.0esr-1
  • thunderbird< 1:91.11.0-1

3 vendors · 12 products

References

10 links