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Medium 4.3Published Dec 15, 2025

CVE-2025-14021The 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 tr…

Updated under an hour ago ()

Does this affect you?

It affects LINE Corporation LINE client for iOS and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness (CWE)
CWE-451
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
LY-Corporation
NVD analysis
Analyzed
Record last updated
Dec 15, 2025
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
LINE Corporation LINE client for iOS
line:client_for_ios (from the name)
from 14.13 before 14.14
CNA record
linecorp line
linecorp:line
before 14.14.0
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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CVE-2025-14021: The in-app browser in LINE client for iOS versions prior to 14.14 is vulnerable to address bar spoofing, | InfoSec Signals