CVE-2023-40530

Severity: medium (CVSS 4.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-08-25 · updated 2026-06-17
Weakness: CWE-862

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.

Affected products

Skylark: through 6.2.13

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/
https://play.google.com/store/apps/details?id=jp.co.skylark.app.gusto

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