CVE-2025-3033

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.7 /10

CVSS v3 : HIGH

V3 Legend

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

13 Apr 2026, 15:16

Type Values Removed Values Added
Summary (en) 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 affects Firefox < 137 and Thunderbird < 137. (en) 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.

07 Apr 2025, 13:30

Type Values Removed Values Added
Summary
  • (es) Tras seleccionar un acceso directo malicioso de Windows `.url` desde el sistema de archivos local, podría cargarse un archivo inesperado. *Este error solo afecta a Firefox en Windows. Otros sistemas operativos no se ven afectados.* Esta vulnerabilidad afecta a Firefox (versión anterior a la 137) y Thunderbird (versión anterior a la 137).
References () https://bugzilla.mozilla.org/show_bug.cgi?id=1950056 - () https://bugzilla.mozilla.org/show_bug.cgi?id=1950056 - Issue Tracking, Permissions Required
References () https://www.mozilla.org/security/advisories/mfsa2025-20/ - () https://www.mozilla.org/security/advisories/mfsa2025-20/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2025-23/ - () https://www.mozilla.org/security/advisories/mfsa2025-23/ - Vendor Advisory
CPE cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
First Time Mozilla firefox
Mozilla thunderbird
Mozilla

01 Apr 2025, 19:15

Type Values Removed Values Added
CWE CWE-73
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.7

01 Apr 2025, 13:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-04-01 13:15

Updated : 2026-04-13 15:16

NVD link : CVE-2025-3033

Mitre link : CVE-2025-3033

CVE.ORG link : CVE-2025-3033

JSON object : View

Products Affected

mozilla

  • firefox
  • thunderbird
CWE
CWE-73

External Control of File Name or Path