CVE-2025-14744

Filename spoofing via Unicode Right-to-Left Override in Firefox for iOS

Published Dec 18, 2025 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Unicode RTLO characters could allow malicious websites to spoof filenames in the downloads UI for Firefox for iOS, potentially tricking users into saving files of an unexpected file type. This vulnerability was fixed in Firefox for iOS 144.0.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description Unicode RTLO characters could allow malicious websites to spoof filenames in the downloads UI for Firefox for iOS, potentially tricking users into saving files of an unexpected file type. This vulnerability affects Firefox for iOS < 144.0. Unicode RTLO characters could allow malicious websites to spoof filenames in the downloads UI for Firefox for iOS, potentially tricking users into saving files of an unexpected file type. This vulnerability was fixed in Firefox for iOS 144.0.
Type Values Removed Values Added
First Time appeared Mozilla firefox
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:*:iphone_os:*:*
Vendors & Products Mozilla firefox
Type Values Removed Values Added
First Time appeared Apple
Apple ios
Mozilla
Mozilla firefox For Ios
Vendors & Products Apple
Apple ios
Mozilla
Mozilla firefox For Ios
Type Values Removed Values Added
Weaknesses CWE-451
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Unicode RTLO characters could allow malicious websites to spoof filenames in the downloads UI for Firefox for iOS, potentially tricking users into saving files of an unexpected file type. This vulnerability affects Firefox for iOS < 144.0.
Title Filename spoofing via Unicode Right-to-Left Override in Firefox for iOS
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Apr 13, 2026, 2:31 PM
Reserved
Dec 15, 2025, 7:44 PM
Status
Undergoing Analysis
Published
Dec 18, 2025, 3:15 PM
Modified
Oct 5, 2026, 3:10 PM