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CVE-2025-13015

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Date: November 11, 2025

Spoofing issue in Firefox. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Firefox ESR < 115.30, Thunderbird < 145, and Thunderbird < 140.5.

Severity Score

Related Resources (8)

https://www.mozilla.org/security/advisories/mfsa2025-91/
https://www.mozilla.org/security/advisories/mfsa2025-90/
https://nvd.nist.gov/vuln/detail/CVE-2025-13015
https://www.mozilla.org/security/advisories/mfsa2025-88/
https://www.mozilla.org/security/advisories/mfsa2025-87/
https://www.mozilla.org/security/advisories/mfsa2025-89/
https://bugzilla.mozilla.org/show_bug.cgi?id=1994164
https://www.mend.io/vulnerability-database/CVE-2025-13015

Severity Score

Weakness Type (CWE)

Authentication Bypass by Spoofing

CWE-290

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

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