CVE-2021-38491

MEDIUM

Firefox < 92.0 - Mixed Content Security Bypass via Opaque Origin Handling

Title source: llm
STIX 2.1

Description

Mixed-content checks were unable to analyze opaque origins which led to some mixed content being loaded. This vulnerability affects Firefox < 92.

References (3)

Core 3
Core References
Issue Tracking, Permissions Required, Vendor Advisory x_refsource_misc
https://bugzilla.mozilla.org/show_bug.cgi?id=1551886
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202202-03

Scores

CVSS v3 6.5
EPSS 0.0026
EPSS Percentile 48.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Details

Status published
Products (1)
mozilla/firefox < 92.0
Published Nov 03, 2021
Tracked Since Feb 18, 2026