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CVE-2025-14021

Published: Dec 15, 2025Updated: Dec 18, 2025 Sources: CVE List NVDCWE-451
NVD MITRE
4.3CVSSMEDIUM
EPSS Score
0.2%
Top 92.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:NI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-451

Affected Products

linelinecorp
On-premMobile App
Communications / messaging-chat
LINE client for iOSLINE Corporation
Mixed
Communications / messaging-chat
linecorpcommercialJPCommunicationsaka line
line corporationcommercialCommunicationsaka line

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://hackerone.com/reports/2548498
hackerone.com

Timeline

Published
Dec 15, 2025
Last Updated
Dec 18, 2025

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