CVE-2016-4839

What it is

The Android Apps Money Forward (prior to v7.18.0), Money Forward for The Gunma Bank (prior to v1.2.0), Money Forward for SHIGA BANK (prior to v1.2.0), Money Forward for SHIZUOKA BANK (prior to v1.4.0), Money Forward for SBI Sumishin Net Bank (prior to v1.6.0), Money Forward for Tokai Tokyo Securities (prior to v1.4.0), Money Forward for THE TOHO BANK (prior to v1.3.0), Money Forward for YMFG (prior to v1.5.0) provided by Money Forward, Inc. and Money Forward for AppPass (prior to v7.18.3), Money Forward for au SMARTPASS (prior to v7.18.0), Money Forward for Chou Houdai (prior to v7.18.3) provided by SOURCENEXT CORPORATION do not properly implement the WebView class, which allows an attacker to disclose information stored on the device via a specially crafted application.

At a glance

Exploitability

Can be exploited locally on the machine without logging in, but needs a user to act. High risk of data exposure.

Exploit odds

1.7% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2017-05-12 18:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 00:48 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.7% in the next 30 days (EPSS).
• Severity: 5.5 MEDIUM (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2017-05-12 18:29 UTC

Last modified

2026-06-17 00:48 UTC

Exploit probability

1.7% · EPSS, next 30 days

Weakness

CWE-200 · Information exposure

Record status

Modified

Affected

• Moneyforward Money Forward For Apppass < 7.18.3
• Moneyforward Money Forward For Au Smartpass < 7.18.0
• Moneyforward Money Forward For Chou Houdai < 7.18.3
• Moneyforward Money Forward For Sbi Sumishin Net Bank < 1.6.0
• Moneyforward Money Forward For Shiga Bank < 1.2.0
• Moneyforward Money Forward For Shizuoka Bank < 1.4.0
• Moneyforward Money Forward For The Gunma Bank < 1.2.0
• Moneyforward Money Forward For The Toho Bank < 1.3.0

Attack profile CVSS 3.1 · 5.5

Attack vector

Local

Complexity

Low

Privileges needed

None

User interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Is it in your code?

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