CVE-2025-14020

MEDIUM

LINE client for Android <14.20 - CSRF

Title source: llm

Description

LINE client for Android versions prior to 14.20 contains a UI spoofing vulnerability in the in-app browser where the full-screen security Toast notification is not properly re-displayed when users return from another application, potentially allowing attackers to conduct phishing attacks by impersonating legitimate interfaces.

References (1)

[Permissions Required, Third Party Advisory] https://hackerone.com/reports/2547989

Scores

CVSS v3 5.4

EPSS 0.0003

EPSS Percentile 8.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Classification

CWE

CWE-451

Status published

Affected Products (1)

linecorp/line < 14.20.0

Timeline

Published Dec 15, 2025

Tracked Since Feb 18, 2026