What is CVE-2023-49060?

CVE-2023-49060 is a critical-severity vulnerability in Mozilla Firefox. CVSS score: 9.8/10. Published 2023-11-21.

How severe is CVE-2023-49060?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Mozilla Firefox

CVE-2023-49060

An attacker could have accessed internal pages or data by ex-filtrating a security key from ReaderMode via the `referrerpolicy` attribute. This vulnerability affects Firefox for iOS < 120.

EPSS: 0.006 (46.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Mozilla Firefox
Mozilla Firefox For Ios — versions unspecified

References

security@mozilla.org (Issue Tracking, Not Applicable)
security@mozilla.org (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2023-49060?: CVE-2023-49060 is a critical-severity vulnerability in Mozilla Firefox. CVSS score: 9.8/10. Published 2023-11-21.
How severe is CVE-2023-49060?: Critical severity. CVSS v3 base score is 9.8 out of 10.