CVE-2025-3033

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 v3 7.7 HIGH

7.7^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.5 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:firefox::::::::
	cpe:2.3:a:mozilla:thunderbird::::::::

History

No history.

Information

Published : 2025-04-01 13:15

Updated : 2026-06-17 09:19

NVD link : CVE-2025-3033

Mitre link : CVE-2025-3033

CVE.ORG link : CVE-2025-3033

JSON object : View

Products Affected

mozilla

thunderbird
firefox

CWE

CWE-73

External Control of File Name or Path

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