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CVE-2021-43530

Published: 8 December 2021

A Universal XSS vulnerability was present in Firefox for Android resulting from improper sanitization when processing a URL scanned from a QR code. *This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 94.

Notes

AuthorNote
tyhicks
mozjs contains a copy of the SpiderMonkey JavaScript engine

Priority

Medium

Cvss 3 Severity Score

6.1

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(Android only)
trusty Does not exist

upstream
Released (94)
hirsute Ignored
(end of life)
focal Not vulnerable
(Android only)
impish Not vulnerable
(Android only)
xenial Not vulnerable
(Android only)
jammy Not vulnerable
(Android only)

Severity score breakdown

Parameter Value
Base score 6.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Changed
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N