{"id":"CVE-2023-40530","aliases":["EUVD-2023-45101","GHSA-prv9-x3jf-3mm9"],"status":"published","title":"Improper authorization in handler for custom URL scheme issue in 'Skylark' App for Android  6.2...","description":"Improper authorization in handler for custom URL scheme issue in 'Skylark' App for Android  6.2.13 and earlier and 'Skylark' App for iOS 6.2.13 and earlier allows an attacker to lead a user to access an arbitrary website via another application installed on the user's device.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00578,"percentile":0.47939,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2023-08-25T03:47:15Z","modified":"2026-11-10T12:10:00Z","products":[{"vendor":"skylark","product":"skylark"},{"vendor":"skylark holdings co., ltd.","product":"'skylark' app for android"},{"vendor":"skylark holdings co., ltd.","product":"'skylark' app for ios"}],"references":[{"url":"https://play.google.com/store/apps/details?id=jp.co.skylark.app.gusto","tags":["x_transferred","Product"]},{"url":"https://apps.apple.com/jp/app/%E3%81%99%E3%81%8B%E3%81%84%E3%82%89%E3%83%BC%E3%81%8F%E3%82%A2%E3%83%97%E3%83%AA/id906930478","tags":["x_transferred","Product"]},{"url":"https://jvn.jp/en/jp/JVN03447226/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40530"},{"url":"https://jvn.jp/en/jp/JVN03447226"},{"url":"https://github.com/advisories/GHSA-prv9-x3jf-3mm9"}],"sources":{"cve":[{"id":"CVE-2023-40530","description":"Improper authorization in handler for custom URL scheme issue in 'Skylark' App for Android  6.2.13 and earlier and 'Skylark' App for iOS 6.2.13 and earlier allows an attacker to lead a user to access an arbitrary website via another application installed on the user's device.","status":"published","published":"2023-08-25T03:47:15.4Z","modified":"2024-10-02T18:13:34.4Z","updated_at":"2026-11-02T14:35:21.971258Z"}],"euvd":[{"id":"EUVD-2023-45101","description":"Improper authorization in handler for custom URL scheme issue in 'Skylark' App for Android  6.2.13 and earlier and 'Skylark' App for iOS 6.2.13 and earlier allows an attacker to lead a user to access an arbitrary website via another application installed on the user's device.","status":"published","published":"2023-08-25T03:47:15Z","modified":"2024-10-02T18:13:34Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","level":"none"}],"updated_at":"2026-11-03T00:27:57.212945Z"}],"ghsa":[{"id":"GHSA-prv9-x3jf-3mm9","title":"Improper authorization in handler for custom URL scheme issue in 'Skylark' App for Android  6.2...","description":"Improper authorization in handler for custom URL scheme issue in 'Skylark' App for Android  6.2.13 and earlier and 'Skylark' App for iOS 6.2.13 and earlier allows an attacker to lead a user to access an arbitrary website via another application installed on the user's device.","status":"published","published":"2023-08-25T06:30:15Z","modified":"2024-04-04T07:12:08Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:56:49.265207Z"}],"nvd":[{"id":"CVE-2023-40530","description":"Improper authorization in handler for custom URL scheme issue in 'Skylark' App for Android  6.2.13 and earlier and 'Skylark' App for iOS 6.2.13 and earlier allows an attacker to lead a user to access an arbitrary website via another application installed on the user's device.","status":"published","published":"2023-08-25T04:15:10.487Z","modified":"2026-11-10T12:10:00.177Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-10T14:19:22.611066Z"}]}}