CVE-2025-14021

MEDIUM CVSS 3.1: 4.3 EPSS 0.21%
Updated Oct 07, 2026
Linecorp
Parameter Value
CVSS 4.3 (MEDIUM)
Affected Versions before 14.14.0
Fixed In 14.14.0
Type CWE-451
Vendor Linecorp
Public PoC No

The in-app browser in LINE client for iOS versions prior to 14.14 is vulnerable to address bar spoofing, which could allow attackers to execute malicious JavaScript within iframes while displaying trusted URLs, enabling phishing attacks through overlaid malicious content.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Linecorp Line
cpe:2.3:a:linecorp:line:*:*:*:*:*:iphone_os:*:*
— 14.14.0