{"cve":"CVE-2023-40530","nvd":{"published":"2023-08-25T04:15:10.487","modified":"2026-06-17T06:18:19.633","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","score":4.7},"cwes":["CWE-862"],"references":["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","https://jvn.jp/en/jp/JVN03447226/","https://play.google.com/store/apps/details?id=jp.co.skylark.app.gusto","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","https://jvn.jp/en/jp/JVN03447226/"],"products":["skylark:skylark"],"source":"nvd","synced_at":"2026-10-19T21:39:14.809778102+00:00"},"epss":{"cve":"CVE-2023-40530","score":0.00578,"percentile":0.47621,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}