Vulnerability · Published Dec 15, 2025 · Assigned by LY-Corporation
CVE-2025-14021
Medium 4.3
In plain English
A medium-severity security flaw in LINE client for iOS from LINE Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 88.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| LINE Corporation | LINE client for iOS | 14.13 – before 14.14 |
Weakness: CWE-451 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N