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High severity7.5NVD Advisory· Published Nov 24, 2021· Updated Jun 17, 2026

CVE-2021-20835

CVE-2021-20835

Description

Improper authorization in handler for custom URL scheme vulnerability in Android App 'Mercari (Merpay) - Marketplace and Mobile Payments App' (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 account's access token being obtained.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Mercari, Inc./Mercarillm-fuzzy
    Range: <4.49.1
  • Mercari, Inc./Android App 'Mercari (Merpay) - Marketplace and Mobile Payments App' (Japan version)v5
    Range: versions prior to 4.49.1

Patches

Vulnerability mechanics

References

1

News mentions

0

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