{"id":"CVE-2024-45203","aliases":["EUVD-2024-41372","GHSA-499r-h8wp-rfvm"],"status":"published","title":"Improper authorization in handler for custom URL scheme issue in \"@cosme\" App for Android...","description":"Improper authorization in handler for custom URL scheme issue in \"@cosme\" App for Android versions prior 5.69.0 and \"@cosme\" App for iOS versions prior to 6.74.0 allows an attacker to lead a user to access an arbitrary website via the vulnerable App. As a result, the user may become a victim of a phishing attack.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00293,"percentile":0.22142,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-939"],"published":"2024-09-09T06:42:30Z","modified":"2026-06-17T07:53:47Z","products":[{"vendor":"istyle","product":"\\@cosme"},{"vendor":"istyle inc.","product":"\"@cosme\" app for android"},{"vendor":"istyle inc.","product":"\"@cosme\" app for ios"}],"references":[{"url":"https://jvn.jp/en/jp/JVN81570776/","tags":["Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-45203"},{"url":"https://jvn.jp/en/jp/JVN81570776"},{"url":"https://github.com/advisories/GHSA-499r-h8wp-rfvm"}],"sources":{"cve":[{"id":"CVE-2024-45203","description":"Improper authorization in handler for custom URL scheme issue in \"@cosme\" App for Android versions prior 5.69.0 and \"@cosme\" App for iOS versions prior to 6.74.0 allows an attacker to lead a user to access an arbitrary website via the vulnerable App. As a result, the user may become a victim of a phishing attack.","status":"published","published":"2024-09-09T06:42:30.971Z","modified":"2025-03-13T19:35:38.439Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-939"],"updated_at":"2026-11-02T14:34:08.16279Z"}],"euvd":[{"id":"EUVD-2024-41372","description":"Improper authorization in handler for custom URL scheme issue in \"@cosme\" App for Android versions prior 5.69.0 and \"@cosme\" App for iOS versions prior to 6.74.0 allows an attacker to lead a user to access an arbitrary website via the vulnerable App. As a result, the user may become a victim of a phishing attack.","status":"published","published":"2024-09-09T06:42:30Z","modified":"2025-03-13T19:35:38Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T20:53:03.669796Z"}],"ghsa":[{"id":"GHSA-499r-h8wp-rfvm","title":"Improper authorization in handler for custom URL scheme issue in \"@cosme\" App for Android...","description":"Improper authorization in handler for custom URL scheme issue in \"@cosme\" App for Android versions prior 5.69.0 and \"@cosme\" App for iOS versions prior to 6.74.0 allows an attacker to lead a user to access an arbitrary website via the vulnerable App. As a result, the user may become a victim of a phishing attack.","status":"published","published":"2024-09-09T09:30:45Z","modified":"2025-03-13T21:31:13Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-939"],"updated_at":"2026-11-02T15:00:16.694376Z"}],"nvd":[{"id":"CVE-2024-45203","description":"Improper authorization in handler for custom URL scheme issue in \"@cosme\" App for Android versions prior 5.69.0 and \"@cosme\" App for iOS versions prior to 6.74.0 allows an attacker to lead a user to access an arbitrary website via the vulnerable App. As a result, the user may become a victim of a phishing attack.","status":"published","published":"2024-09-09T07:15:17.03Z","modified":"2026-06-17T07:53:47.387Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-939"],"updated_at":"2026-11-02T14:10:25.561537Z"}]}}