CVE-2025-9183

MEDIUM EPSS 13.8%
Published Aug 19, 202510mo ago · Modified Jun 17, 20261w ago
6.5 CVSS 3.1
Medium
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Published Aug 19, 2025 10mo ago
Last Modified Jun 17, 2026 1w ago

Description

Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 142 and Firefox ESR 140.2.

CVSS Details

Base Score
6.5
Exploitability
2.8
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
13.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-451

Affected Products 2

VendorProductVersionRange
mozillafirefox* <140.2.0
mozillafirefox* <142.0

References 3

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1976102
    Issue TrackingPermissions Required
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-64/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-67/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.