VULNERABILITY INTELLIGENCE

CVE-2020-12404

CVSS score4.3 MEDIUM

EPSS probability0.79%

CISA KEVNot currently listed

Published2020-07-09

Last modified2026-08-19

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Description

For native-to-JS bridging the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token could leak when used for downloading files. This vulnerability affects Firefox for iOS < 26.

Weakness classification

nvd@nist.gov: CWE-79

Primary references

security@mozilla.org — Issue Tracking, Permissions Required, Vendor Advisory
security@mozilla.org — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Permissions Required, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory