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VULNERABILITIES

CVE-2021-43530 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=1736886 CVEIssue TrackingPermissions Required
https://www.mozilla.org/security/advisories/mfsa2021-48/ CVEVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1736886 [email protected]Issue TrackingPermissions Required
https://www.mozilla.org/security/advisories/mfsa2021-48/ [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]

Affected Products

ProductVersions
mozilla firefox
< 94.0

CPE

  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
google android
All versions

CPE

  • cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-43530
NVD Published Date:
Dec 8, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-43530 Details - Not Deferred