The JIRA/Crowd applications fail to properly sanitize user input in the query string of the website or in the value of a parameter

panel:bgColor=e7f4fa NOTE: This suggestion is for JIRA Cloud. Using JIRA Server? See the corresponding suggestion|http://jira.atlassian.com/browse/JRASERVER-29640. panel We need to avoid Cross-site Scripting vulnerabilities. A function should be created to provide server side and client side inpu...