Wanhu OA is a software that integrates multiple office automation functions, supporting document management, transaction approval, knowledge management, etc. It also provides mobile office applications to help enterprises improve operational efficiency and employees' office experience. Its GeneralWeb endpoint has XXE vulnerability, which will lead to information disclosure or other malicious behaviors. This rule supports to defend the A6: Vulnerable and Outdated Components of OWASP Top 10 - 2021. Other reference:None