6.5

CVE-2022-22757: mozilla firefox Origin Validation Error

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2022-22757
Published 22-12-2022Last modified 16-04-2025

Vulnerability summary

CVE-2022-22757 is a medium (CVSS 6.5) Origin Validation Error vulnerability in mozilla firefox. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 13.8% 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
0.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 3

Timeline

  1. 22-12-2022
    PublishedVulnerability first disclosed.
  2. 16-04-2025
    Last modifiedVulnerability information updated.

Description

Remote Agent, used in WebDriver, did not validate the Host or Origin headers. This could have allowed websites to connect back locally to the user's browser to control it. <br>*This bug only affected Firefox when WebDriver was enabled, which is not the default configuration.*. This vulnerability affects Firefox < 97.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

14%

Versus all other CVEs

30-day change

0.00 pp

From 0.23% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.24%

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, < 97 | < 97.0
Ubuntu1 product
  • firefox< 97.0+build2-0ubuntu0.18.04.1 | < 97.0+build2-0ubuntu0.20.04.1 | < 97.0+build2-0ubuntu1

2 vendors · 2 products

References

6 links