CVE-2025-3033

HIGH EPSS 5.4%
Published Apr 1, 20251y ago · Modified Jun 17, 20261w ago
7.7 CVSS 3.1
High
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Published Apr 1, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

After selecting a malicious Windows `.url` shortcut from the local filesystem, an unexpected file could be uploaded. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 137 and Thunderbird 137.

CVSS Details

Base Score
7.7
Exploitability
2.5
Impact
5.2
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
5.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-73

Affected Products 2

VendorProductVersionRange
mozillafirefox* <137.0
mozillathunderbird* <137.0

References 3

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1950056
    Issue TrackingPermissions Required
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-20/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-23/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.