> JapanHacked_
[Resolved][Severity: Critical][Web app exploit]

AkaraN: the "akaran official online store" was accessed without authorization and card data of 8,483 customers may have leaked

A vulnerability of the old system was exploited and the payment module tampered with, so card data of 8,483 customers who paid from December 2020 to December 2021 may have leaked.

Disclosed

2022-11-17

Organizations involved

1

Leaked or at risk

8.5K

8,483

Downtime

Unknown

What happened

  1. Some card companies told it of a concern that card data had leaked. It also reported to the Personal Information Protection Commission. [1] [2]

  2. It stopped card payments and started an investigation by a third-party firm. [1]

  3. The investigation finished and found that unauthorized access exploiting a vulnerability of the old system had tampered with the payment module. [1] [2]

  4. It announced the case and began emailing the customers concerned. [1] [2]

Impact

The card holder name, number, expiry date, security code, email address and phone number of 8,483 customers who paid by card from December 16, 2020 to December 8, 2021 may have leaked, and some may have been misused. The store moved to a new system on April 5, 2022, so those who used it before are covered. [1] [2]

Timeline

  1. Started 2020-12-16
  2. Detected 2022-06-23
  3. Disclosed 2022-11-17
  4. 701 days

Attack or cause

Method
[Web app exploit]
Impact
[Data leak]
Entry point
Web app

Data exposed or at risk

[Payment card][Name][E-mail address][Phone number]

Organizations involved

Open in organization search

Sources

  1. [1][News]化粧品取り扱い「akaran公式オンラインストア」に不正アクセス、8,483名分のカード情報が漏えいScanNetSecurity · 2022-11-21 08:05
  2. [2][News]サイト脆弱性で8,483名のクレジットカード情報流出か、akaran|サイバーセキュリティ.comCybersecurity.com · 2022-11-22