CVE-2025-14327
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Publication date: 2025-12-09

Last updated on: 2026-04-13

Assigner: Mozilla Corporation

Description
Spoofing issue in the Downloads Panel component. This vulnerability was fixed in Firefox 146, Thunderbird 146, Firefox ESR 140.7, and Thunderbird 140.7.
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Meta Information
Published
2025-12-09
Last Modified
2026-04-13
Generated
2026-06-16
AI Q&A
2025-12-09
EPSS Evaluated
2026-06-14
NVD
CVE-2025-14327
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
mozilla firefox to 146.0 (exc)
mozilla thunderbird to 146.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-290 This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.
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Executive Summary

This vulnerability is a spoofing issue in the Downloads Panel component of Firefox versions prior to 146. It allows an attacker to potentially deceive users by presenting misleading information in the Downloads Panel.

Impact Analysis

The impact of this vulnerability could include users being tricked into trusting malicious downloads or misinterpreting the status of their downloads, which may lead to security risks such as executing harmful files.

Mitigation Strategies

To mitigate this vulnerability, update Firefox to version 146 or later, as the issue affects Firefox versions prior to 146.

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