CVE-2021-29960

MEDIUM

Firefox < 89.0 - Unauthenticated Sensitive Data Exposure via Print Filename Cache

Title source: llm

Description

Firefox used to cache the last filename used for printing a file. When generating a filename for printing, Firefox usually suggests the web page title. The caching and suggestion techniques combined may have lead to the title of a website visited during private browsing mode being stored on disk. This vulnerability affects Firefox < 89.

References (3)

Core 3

Core References

Release Notes, Vendor Advisory x_refsource_misc

https://www.mozilla.org/security/advisories/mfsa2021-23/

Issue Tracking, Permissions Required, Vendor Advisory x_refsource_misc

https://bugzilla.mozilla.org/show_bug.cgi?id=1675965

Third Party Advisory vendor-advisory x_refsource_gentoo

https://security.gentoo.org/glsa/202107-09

Scores

CVSS v3 4.3

EPSS 0.0083

EPSS Percentile 52.6%

Attack Vector NETWORK

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

Details

CWE

CWE-669

Status published

Products (1)

mozilla/firefox 78.11.0 - 89.0

Published Jun 24, 2021

Tracked Since Feb 18, 2026