CVE-2023-43300: Linecorp Line

High severity, CVSS 8.2. EPSS: 0.5% chance of exploitation in the next 30 days.

An issue in urban_project mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access token.

Affected products

• Linecorp Line: version 13.6.1 only

Published 2023-12-07. Last modified 2026-06-17.