CVE-2020-12404 Information

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.

CVSS Vector

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

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1631739 https://www.mozilla.org/security/advisories/mfsa2020-19/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

4.3