Bug Bounty Hint
Try the Full-Width version of the commonly used symbols for XSS/WAF/SQL filter bypass.
?? – %EF%BC%9C (\uff1c)
?? – %EF%BC%9E (\uff1e)
?? – %EF%BC%BC (\uff3c)
?? – %EF%BC%8F (\uff0f)
?? – %EF%BC%87 (\uff07)
?? – %EF%BC%82 (\uff02)
Happy Hunting!