PHP Vulnerability Responses by Company

Seven Artisan Inc.

Japan-based services
Aliases / services
セブンアーチザン / Seven Artisan / Just-Size.Networks / JSN / ジェイエスエヌ / 株式会社セブンアーチザン / Seven Artisan Inc. / JSNレンタルサーバー
Official website
https://www.just-size.net/
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

JSN rental hosting

Response status
Interim mitigation on named servers; migration planned
Response information checked
2026-10-27

Current re-audit: Official response verified · Research date: 2026-10-27

The October22 notice reports PHP hardening, WAF deployment and traffic blocking on sd014, sd015 and ec018, with server migration planned as a permanent response.

Scope: The notice gives no CVE identifiers or fixed versions and does not confirm fleet-wide patch completion.

What users should do

Check your server and migration notice; contact support about form or upload problems.

Official service URL

Source URLs

  1. https://www.just-size.net/news/?id=3&year=26https://www.just-size.net/news/?id=3&year=26Response evidence
  2. https://www.just-size.net/news/?id=2&year=26https://www.just-size.net/news/?id=2&year=26Service and operation documentation
  3. https://www.just-size.net/news/?mode=troublehttps://www.just-size.net/news/?mode=troubleService and operation documentation
  4. Seven Artisan: PHP maintenance and operator 1https://www.just-size.net/support/Service and operation documentation
Related official sources
  1. Seven Artisan: PHP maintenance and operator 1Search result only; article text unverified
  2. Seven Artisan: PHP maintenance and operator 2Official information directory

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