An Insecure Direct Object Reference (IDOR) vulnerability exists in Zoho ManageEngine ServiceDesk Plus (SDP) before 10.0 build 10007 via an attachment to a request.
An issue was discovered in Zoho ManageEngine ServiceDesk Plus 9.3 Build 9317. Unauthenticated users are able to validate domain user accounts by sending a request containing the username to an API endpoint. The endpoint will return the user's logon domain if the accounts exists, or 'null' if it does not.
In Zoho ManageEngine ServiceDesk Plus before 9403, an XSS issue allows an attacker to run arbitrary JavaScript via a /api/request/?OPERATION_NAME= URI, aka SD-69139.