PHP Vulnerability Responses by Company

Benesse Corporation

Companies / web services
Aliases / services
ベネッセ / Benesse / 進研ゼミ / こどもちゃれんじ / Benesse Corporation / 株式会社ベネッセコーポレーション
Official website
https://www.benesse.co.jp/
Sources identifying the operating company

Each response applies only to its stated service scope. “Not listed” does not mean unpatched or unaffected.

Response status by service

Shinkenzemi and Kodomo Challenge registration data

Response status
Not listed
Response information checked
2026-10-29

Current re-audit: Related incident verified; PHP connection not stated · Research date: 2026-10-29

The 2014 incident involved a former contractor extracting customer data and selling it to list brokers. Names, addresses and birth dates were affected; card-data sales were not confirmed.

Scope: A PHP connection and response to the current PHP vulnerabilities are not listed.

What users should do

For suspicious solicitation, consult the customer-support guidance.

Official service URL

Source URLs

  1. Official operator informationhttps://www.benesse.co.jp/customer/bcinfo/01.htmlService and operation documentation
  2. Dealing with suspicious solicitationhttps://www.benesse.co.jp/customer/bcinfo/12.htmlService and operation documentation
Related official sources
  1. Official operator informationOfficial information directoryOfficial evidence identifying Benesse Corporation and the relevant business.
  2. Overview of the 2014 data leakOfficial notice; link to this PHP incident unconfirmedThe 2014 incident involved a former contractor extracting customer data and selling it to list brokers.
  3. Dealing with suspicious solicitationOfficial notice; link to this PHP incident unconfirmedExamples and reporting guidance.

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