6.1

CVE-2018-5124: mozilla firefox Cross-site Scripting

CVSS: 6.1v3.0MediumModified
AliasesUBUNTU-CVE-2018-5124USN-3552-1
Published 26-04-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-5124 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in mozilla firefox. EPSS estimates a 1.01% chance of exploitation in the next 30 days, higher than 62.6% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.0 (NVD)
EPSS score
1.01%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-04-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Unsanitized output in the browser UI leaves HTML tags in place and can result in arbitrary code execution in Firefox before version 58.0.1.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.01%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

0.00 pp

From 1.01% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.01%

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
Ubuntu1 product
  • firefox< 59.0.1+build1-0ubuntu1 | < 58.0.1+build1-0ubuntu0.14.04.1 | < 58.0.1+build1-0ubuntu0.16.04.1

2 vendors · 2 products

References

4 links