CVE-2025-14744

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

State: Published
Severity: 6.5 Medium
Published: Dec 18, 2025
Updated: Apr 13, 2026
Reserved: Dec 15, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N	CISA-ADP

Weaknesses

CWE-451 User Interface (UI) Misrepresentation of Critical Information

Affected Products

Product	Versions
Firefox for iOSMozilla	144.0 and laterNot affected

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1984683
https://www.mozilla.org/security/advisories/mfsa2025-97/

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