[Important] Response to Vulnerabilities in the Programming Language "PHP"

Thank you very much for using our school's services regularly.

Regarding the vulnerability of the programming language "PHP" announced on Wednesday, October 21, 2026, the WEWORLD group is taking preventive measures across the entire group in accordance with the response procedures recommended by the official PHP.

1. Regarding the implementation of maintenance
Starting Thursday, October 22, 2026, we are gradually performing maintenance on systems that use PHP.
Some services may be unavailable during maintenance. Information regarding affected services and maintenance dates and times will be announced sequentially on each service's website.

2. Regarding the damage situation
At our school, we have not confirmed any damage from unauthorized access by third parties or leakage of personal information related to this matter.

We sincerely apologize for the inconvenience and trouble caused to all users.
We will continue to take measures to ensure that you can use our services safely.
We appreciate your understanding and cooperation.

[Contact Information Regarding This Matter]
WEWORLD Corporation Marketing Department
Email: koho@weworld.co.jp
Reception Hours: Weekdays 9:00 AM - 6:00 PM