kkFileView 4.1.0 is susceptible to server-side request forgery via the component cn.keking.web.controller.OnlinePreviewController#getCorsFile. An attacker can force the application to make arbitrary requests via injection of crafted URLs into the url parameter and thereby potentially obtain sensitive information, modify data, and/or execute unauthorized administrative operations in the context of the affected site.
View the template here CVE-2022-43140.yaml
References:
https://github.com/kekingcn/kkFileView/issues/392