CVE-2021-43530

—

CVSS 3.1

6.1 medium

EPSS

1%p71

Published

Dec 8, 2021 (Dec 8, 2021)

Modified

Jun 17, 2026

Description

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.

Vendors: mozilla
Products: firefox
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (1.4%)

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