CVE-2023-28163

Mozilla: Windows Save As dialog resolved environment variables

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Severity

Moderate

Red Hat Product Security

6.1

CVSS 3.1

Review impact separately from score.

Published · March 14, 2023

Updated · November 21, 2025

Description

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue that when downloading files through the Save As dialog on Windows with suggested filenames containing environment variable names, Windows would have resolved those in the current user's context. This bug only affects Firefox on Windows. Other versions of Firefox are unaffected.

Statement

Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor