Goseikaku
- Aliases / services
- 五聖閣 / 株式会社五聖閣 / GOSEiKAKU / 印鑑倶楽部 / Goseikaku
- Official website
- https://goseikaku.co.jp/
Each response applies only to its stated service scope. “Not listed” does not mean unpatched or unaffected.
Response status by service
Listed services and systems
- Response status
- Website remediation completed
- Response information checked
- 2026-10-27 Rechecked: 2026-10-27
Goseikaku operates online naming, appraisal and personal-seal services.
The 23 October notice reports that PHP remediation of its website was completed on 22 October. No information leakage or other security incident had been identified at the time of the notice.
What users should do
Use online applications and enquiries normally.
Official service URL
Source URLs
- PHP2Shell response and scopehttps://www.goseikaku.co.jp/Response evidence
- Operating entityhttps://goseikaku.co.jp/tokusho.htmlService and operation documentation
Related official sources
- PHP2Shell response and scopeOfficial notice
- Operating entityOfficial information directory
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