LINE iOS Client UI Spoofing Vulnerability

Vulnerability

A UI spoofing vulnerability has been identified in the LINE client for iOS, affecting versions prior to 15.19. This issue arises from inconsistencies between the navigation state and the user interface of the in-app browser. Such discrepancies could lead to confusion regarding the trustworthiness of displayed pages or interactive elements under certain conditions.

Impact

Exploitation of this vulnerability could lead to UI spoofing, causing users to misinterpret the trust context of pages or elements they interact with.

Added: Dec 15, 2025, 7:20 AM
Updated: Dec 15, 2025, 7:20 AM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
0.6
exploitability
4.4
remediation
0.0
relevance
1.5
threat
0.0
urgency
2.9
incentive
0.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.