XSS vulnerability in "children" macro when displaying excerpts

panel:bgColor=e7f4fa NOTE: This bug report is for Confluence Server. Using Confluence Cloud? See the corresponding bug report|http://jira.atlassian.com/browse/CONFCLOUD-35777. panel - Create a parent page A with a child page B - Add an \excerpt\ macro to B containing the text alert"Gotcha!"; - Ad...