CVE-2025-1019

MEDIUM EPSS 25.6%
Published Feb 4, 20251y ago · Modified Jun 17, 20261w ago
4.3 CVSS 3.1
Medium
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Published Feb 4, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

The z-order of the browser windows could be manipulated to hide the fullscreen notification. This could potentially be leveraged to perform a spoofing attack. This vulnerability was fixed in Firefox 135 and Thunderbird 135.

CVSS Details

Base Score
4.3
Exploitability
2.8
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
25.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-1021

Affected Products 2

VendorProductVersionRange
mozillafirefox* <135.0
mozillathunderbird*≥131.0  –  <135.0

References 3

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1940162
    Permissions Required
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-07/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-11/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.