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An issue in myGAKUYA mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access token. The vulnerability was discovered and disclosed in January 2024 and has been assigned CVE-2023-48127. The vulnerability affects the myGAKUYA mini-app running on Line version 13.6.1 (GitHub Report).
The vulnerability is classified as an information exposure issue (CWE-200) where the critical channel access token credential is exposed to the client-side through the response of the request to 'www.l-members.me/miniapp/members_card'. The vulnerability has been assigned a CVSS v3.1 base score of 5.4 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N (NVD).
The vulnerability affects any myGAKUYA mini-app user. When exploited, attackers can utilize the exposed channel access token to broadcast malicious messages through the Line platform, including potentially fraudulent information and malicious website links (GitHub Report).
Source: This report was generated using AI
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