CVE-2025-13015

Spoofing issue in Firefox

State: Published
Severity: 3.4 Low
Published: Nov 11, 2025
Updated: Apr 13, 2026
Reserved: Nov 11, 2025

Description

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

Scores

CVSS	Score	Vector	Source
3.1	3.4 Low	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N	CISA-ADP

Weaknesses

CWE-290 Authentication Bypass by Spoofing

Affected Products

Product	Versions
FirefoxMozilla	115.30 through 115.Not affected 140.5 through 140.Not affected 145 and laterNot affected

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1994164
https://www.mozilla.org/security/advisories/mfsa2025-87/
https://www.mozilla.org/security/advisories/mfsa2025-88/
https://www.mozilla.org/security/advisories/mfsa2025-89/

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