CVE-2025-13015
Spoofing issue in Firefox
LOW
3.4
CVSS Score
Published: November 11, 2025 at 03:47 PM UTC
Updated: October 23, 2026 at 10:10 PM UTC
1 product affected across 1 vendorFirefox
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Severity
LOW3.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
Description
Spoofing issue in Firefox. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, and Firefox ESR < 115.30.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (6)
Source: cverecord
https://www.mozilla.org/security/advisories/mfsa2025-90/Source: cverecord
https://www.mozilla.org/security/advisories/mfsa2025-91/SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
3.4LOWCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-290
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