Cross-site scripting (XSS) vulnerability in c/portal/login in Liferay Portal 4.1.0 and 4.1.1 allows remote attackers to inject arbitrary web script or HTML via the login parameter. NOTE: this issue reportedly exists because of a regression that followed a fix at an unspecified earlier date.
建议您更新当前系统或软件至最新版，完成漏洞的修复。