Improper authorization in handler for custom URL scheme vulnerability in Android App βMercari (Merpay) - Marketplace and Mobile Payments Appβ (Japan version) versions prior to 4.49.1 allows a remote attacker to lead a user to access an arbitrary website and the website launches an arbitrary Activity of the app via the vulnerable App, which may result in Mercari accountβs access token being obtained.
[
{
"product": "Android App 'Mercari (Merpay) - Marketplace and Mobile Payments App' (Japan version)",
"vendor": "Mercari, Inc.",
"versions": [
{
"status": "affected",
"version": "versions prior to 4.49.1"
}
]
}
]