CVE-2016-4839: Moneyforward Money Forward For Apppass

Medium severity, CVSS 5.5. EPSS: 1.7% chance of exploitation in the next 30 days.

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.

Affected products

• Moneyforward Money Forward For Apppass: before 7.18.3 (fixed in 7.18.3)
• Moneyforward Money Forward For Au Smartpass: before 7.18.0 (fixed in 7.18.0)
• Moneyforward Money Forward For Chou Houdai: before 7.18.3 (fixed in 7.18.3)
• Moneyforward Money Forward For Sbi Sumishin Net Bank: before 1.6.0 (fixed in 1.6.0)
• Moneyforward Money Forward For Shiga Bank: before 1.2.0 (fixed in 1.2.0)
• Moneyforward Money Forward For Shizuoka Bank: before 1.4.0 (fixed in 1.4.0)
• Moneyforward Money Forward For The Gunma Bank: before 1.2.0 (fixed in 1.2.0)
• Moneyforward Money Forward For The Toho Bank: before 1.3.0 (fixed in 1.3.0)
• Moneyforward Money Forward For Tokai Tokyo Securities: before 1.4.0 (fixed in 1.4.0)
• Moneyforward Money Forward For Ymfg: before 1.5.0 (fixed in 1.5.0)

Published 2017-05-12. Last modified 2026-06-17.