Cross-site scripting (XSS) vulnerability in Outlook Web Access for Exchange Server 5.5 Service Pack 4 allows remote attackers to insert arbitrary script and spoof content in HTML email or web caches via an HTML redirect query.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2016
https://exchange.xforce.ibmcloud.com/vulnerabilities/16583
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-026