Low severity · published Nov 11, 2025
CVE-2025-13015
Spoofing issue in Firefox
3.4
CVSS
0.2%
EPSS
No
On KEV
Description
Spoofing issue in Firefox. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, and Firefox ESR 115.30.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 115.30.0; before 145.0; 140.0 before 140.5.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-13015
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-13015
Permissions Required
https://bugzilla.mozilla.org/show_bug.cgi?id=1994164
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-87/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-88/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-89/
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