Vulnerability in Mozilla Firefox

CVE-2025-13015

Spoofing issue in Firefox. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, and Firefox ESR 115.30.

EPSS: 0.002 (13.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.4 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-13015?
CVE-2025-13015 is a low-severity vulnerability in Mozilla Firefox, classified under Authentication Bypass by Spoofing. CVSS score: 3.4/10. Published 2025-11-11.
How severe is CVE-2025-13015?
Low severity. CVSS v3 base score is 3.4 out of 10.