IONOS
- Aliases / services
- イオノス / 1&1 IONOS / 1and1 / IONOS
- Official website
- https://www.ionos.com/
Each response applies only to its stated service scope. “Not listed” does not mean unpatched or unaffected.
Response status by service
Hosting — IONOS-managed PHP / PHP Extended Support
- Response status
- Patched
- Response information checked
- 2026-10-27
Current re-audit: Official response verified · Research date: 2026-10-27
IONOS reports required fixes on PHP versions managed through the IONOS account, including upstream end-of-life versions.
Scope: Covers PHP managed by IONOS, not customer-managed server installations.
What users should do
Check website operation; consider moving from Extended Support to a currently supported PHP branch.
Official service URL
Source URLs
- IONOS: PHP2Shell information for your contracthttps://www.ionos.com/help/hosting/php2shell-security-vulnerability-important-information-regarding-your-ionos-contract/Response evidence
VPS / Dedicated Server — customer-managed PHP
- Response status
- Customer updates required
- Response information checked
- 2026-10-27
Current re-audit: Official response verified · Research date: 2026-10-27
IONOS explicitly excludes customer-operated PHP installations from its infrastructure patching.
Scope: Distinguish by who manages PHP, not only by the contract label.
What users should do
Update PHP and restart all PHP services. Check logs and suspicious files; follow official recovery steps if compromise is found.
Official service URL
Source URLs
- IONOS: PHP2Shell information for your contracthttps://www.ionos.com/help/hosting/php2shell-security-vulnerability-important-information-regarding-your-ionos-contract/Response evidence
Related official sources
- IONOS: PHP2Shell information for your contractOfficial notice
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