Firefox iOS RTLO Spoof in Downloads UI <144.0
CVE-2025-14744 Published on December 18, 2025

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

NVD

Vulnerability Analysis

CVE-2025-14744 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
HIGH
Availability Impact:
NONE

Weakness Type

User Interface (UI) Misrepresentation of Critical Information

The user interface (UI) does not properly represent critical information to the user, allowing the information - or its source - to be obscured or spoofed. This is often a component in phishing attacks.


Products Associated with CVE-2025-14744

Want to know whenever a new CVE is published for Mozilla Firefox? stack.watch will email you.

 

Affected Versions

Mozilla Firefox for iOS:

Exploit Probability

EPSS
0.04%
Percentile
10.25%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.