7.5

CVE-2018-5134: mozilla firefox

CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2018-5134
Published 11-06-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-5134 is a high (CVSS 7.5) vulnerability in mozilla firefox. EPSS estimates a 1.62% chance of exploitation in the next 30 days, higher than 75.7% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
1.62%
0%100%
Low · -0.03 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
OPENSUSE-SU-2024:10600-1OPENSUSE-SU-2024:14572-1USN-3596-1

Timeline

  1. 11-06-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

WebExtensions may use "view-source:" URLs to view local "file:" URL content, as well as content stored in "about:cache", bypassing restrictions that only allow WebExtensions to view specific content. This vulnerability affects Firefox < 59.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.62%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

-0.03 pp

From 1.66% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.62%

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, < 59 | < 59.0
Ubuntu1 product
  • firefox< 59.0+build5-0ubuntu0.14.04.1 | < 59.0+build5-0ubuntu0.16.04.1 | < 59.0.1+build1-0ubuntu1

2 vendors · 2 products

References

9 links