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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00036.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Mozilla Firefox for iOS affected
Version Status Constraints
144.0 unaffected ≤ *

Configuration 1 [-]

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:iphone_os:*:*

No data.

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://bugzilla.mozilla.org/show_bug.cgi?id=1984683 cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-97/ cve-icon cve-icon
History

Mon, 13 Apr 2026 15:00:00 +0000

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.

Tue, 06 Jan 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla firefox
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:*:iphone_os:*:*
Vendors & Products Mozilla firefox

Fri, 19 Dec 2025 09:30:00 +0000

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

Thu, 18 Dec 2025 20:15:00 +0000

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'}

Thu, 18 Dec 2025 14:30:00 +0000

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

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-04-13T14:31:42.899Z

Reserved: 2025-12-15T19:44:44.939Z

Link: CVE-2025-14744

cve-icon Vulnrichment

Updated: 2025-12-18T19:12:48.892Z

cve-icon NVD

Status : Modified

Published: 2025-12-18T15:15:52.500

Modified: 2026-04-13T15:16:47.220

Link: CVE-2025-14744

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-19T09:16:07Z

Weaknesses