Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in PortOne PORTONE 우커머스 결제 allows Reflected XSS. This issue affects PORTONE 우커머스 결제: from n/a through 3.2.4.
Update the WordPress PORTONE 우커머스 결제 wordpress plugin to the latest available version (at least 3.2.6).