Vulnerability in Linecorp Line
CVE-2025-14021
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.
EPSS: 0.002 (7.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Linecorp Line
- Line Corporation Client For Ios — versions 14.13
Weakness classification (CWE)
References
- dl_cve@linecorp.com (Permissions Required, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-14021?
- CVE-2025-14021 is a medium-severity vulnerability in Linecorp Line, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 4.3/10. Published 2025-12-15.
- How severe is CVE-2025-14021?
- Medium severity. CVSS v3 base score is 4.3 out of 10.