Vulnerability in Mozilla Firefox

CVE-2021-29960

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.

EPSS: 0.008 (53.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-29960?
CVE-2021-29960 is a medium-severity vulnerability in Mozilla Firefox, classified under Incorrect Resource Transfer Between Spheres. CVSS score: 4.3/10. Published 2021-06-24.
How severe is CVE-2021-29960?
Medium severity. CVSS v3 base score is 4.3 out of 10.