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Case File

CVE-2018-12399

MEDIUM · CVSS 4.3 EPSS 1.36%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-02-28 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2018-12399
Severity
MEDIUM
CVSS
4.3
EPSS
1.36%
Firefox

Original NVD Description

When a new protocol handler is registered, the API accepts a title argument which can be used to mislead users about which domain is registering the new protocol. This may result in the user approving a protocol handler that they otherwise would not have. This vulnerability affects Firefox < 63.