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CVE-2023-40530
Improper authorization in handler for custom URL scheme issue in 'Skylark' App for Android 6.2.13 and earlier and 'Skylark' App for iOS…
Medium4.7EPSS 0.58%
- Published
- Updated
- Reserved
- Assigned by
- jpcert
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium4.7 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.58% · top 52% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.7.
Weakness
- Improper authorization in handler for custom URL scheme
- CWE-862 (opens in a new tab)All about CWE-862 and its CVEs
Affected products
SKYLARK HOLDINGS CO., LTD. · 'Skylark' App for Android
- affected 6.2.13 and earlier
SKYLARK HOLDINGS CO., LTD. · 'Skylark' App for iOS
- affected 6.2.13 and earlier
References (3)
- https://play.google.com/store/apps/details?id=jp.co.skylark.app.gusto (opens in a new tab)x_transferred
- 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 (opens in a new tab)x_transferred
- https://jvn.jp/en/jp/JVN03447226/ (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-40530)Record last updated .