4.3

CVE-2017-5453: mozilla firefox Improper Input Validation

CVSS: 4.3v3.0MediumModified
AliasesUBUNTU-CVE-2017-5453
Published 11-06-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-5453 is a medium (CVSS 4.3) Improper Input Validation vulnerability in mozilla firefox. EPSS estimates a 1.07% chance of exploitation in the next 30 days, higher than 64.4% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.0 (NVD)
EPSS score
1.07%
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 3 · Related 3
OPENSUSE-SU-2024:10600-1OPENSUSE-SU-2024:14572-1USN-3260-1

Timeline

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

Description

A mechanism to inject static HTML into the RSS reader preview page due to a failure to escape characters sent as URL parameters for a feed's "TITLE" element. This vulnerability allows for spoofing but no scripted content can be run. This vulnerability affects Firefox < 53.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.07%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

-0.02 pp

From 1.10% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.07%

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, < 53 | < 53.0
Ubuntu1 product
  • firefox< 53.0+build6-0ubuntu0.14.04.1 | < 53.0+build6-0ubuntu0.16.04.1

2 vendors · 2 products

References

8 links