CVE-2016-9071

Content Security Policy combined with HTTP to HTTPS redirection can be used by malicious server to verify whether a known site is within a user's browser history. This vulnerability affects Firefox < 50.

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CVSS v3.1

5.3 MEDIUM

EPSS

1.88%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

EPSS Trend

Aug 16, 2026 → Sep 7, 2026

▼ 0.02pp

1.91% → 1.88% over 8 tracked changes

CVSS v3.1 Detail

Attack VectorNETWORK

Attack ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

ScopeUNCHANGED

ConfidentialityLOW

IntegrityNONE

AvailabilityNONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Connections

2 relationships

CWE-254

source

Timeline

disclosure → media coverage

Jun 11, 2018

Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024