PHP Vulnerability Responses by Company

株式会社メディアーツ

Japan-based services
Aliases / services
株式会社メディアーツ / 有限会社メディアーツ / Mediartz
Official website
https://mediartz.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

Maintenance-contract servers and websites

Response status
Patches and checks complete
Response information checked
2026-10-28

Current re-audit: Official response verified · Research date: 2026-10-28

Website development and server/site maintenance

Mediartz reports patching and version verification for all maintenance-contract systems by October22 17:00.

Scope: Excludes development-only and externally managed sites.

What users should do

Check coverage and report problems.

Official service URL

Source URLs

  1. PHP vulnerability responsehttps://mediartz.co.jp/news/news20261022/Response evidence
Related official sources
  1. PHP vulnerability responseOfficial notice
  2. Organization and operator informationOfficial information directory

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