7.5

CVE-2017-7762: mozilla firefox Improper Input Validation

CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2017-7762
Published 11-06-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-7762 is a high (CVSS 7.5) Improper Input Validation vulnerability in mozilla firefox. EPSS estimates a 1.88% chance of exploitation in the next 30 days, higher than 79.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
1.88%
0%100%
Low · -0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 3 · Related 1
RHSA-2018:2112RHSA-2018:2113USN-3315-1

Timeline

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

Description

When entered directly, Reader Mode did not strip the username and password section of URLs displayed in the addressbar. This can be used for spoofing the domain of the current page. This vulnerability affects Firefox < 54.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.88%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

-0.04 pp

From 1.92% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.88%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugzilla.mozilla.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Redhat3 products
Mozilla1 product
  • firefox≥ unspecified, < 54 | < 54.0
Ubuntu1 product
  • firefox< 54.0+build3-0ubuntu0.14.04.1 | < 54.0+build3-0ubuntu0.16.04.1

3 vendors · 5 products

References

10 links