Zoho ManageEngine ServiceDesk Plus 11.0 Build 11007 allows XSS. This issue was fixed in version 11.0 Build 11010, SD-83959.

AjaxDomainServlet in Zoho ManageEngine ServiceDesk Plus 10 allows User Enumeration. NOTE: the vendor's position is that this is intended functionality

Zoho ManageEngine ServiceDesk Plus 10 before 10509 allows unauthenticated sensitive information leakage during Fail Over Service (FOS) replication, aka SD-79989.

Multiple Zoho ManageEngine products suffer from local privilege escalation due to improper permissions for the %SYSTEMDRIVE%\ManageEngine directory and its sub-folders. Moreover, the services associated with said products try to execute binaries such as sc.exe from the current directory upon system start. This will effectively allow non-privileged users to escalate privileges to NT AUTHORITY\SYSTEM. This affects Desktop Central 10.0.380, EventLog Analyzer 12.0.2, ServiceDesk Plus 10.0.0, SupportCenter Plus 8.1, O365 Manager Plus 4.0, Mobile Device Manager Plus 9.0.0, Patch Connect Plus 9.0.0, Vulnerability Manager Plus 9.0.0, Patch Manager Plus 9.0.0, OpManager 12.3, NetFlow Analyzer 11.0, OpUtils 11.0, Network Configuration Manager 11.0, FireWall 12.0, Key Manager Plus 5.6, Password Manager Pro 9.9, Analytics Plus 1.0, and Browser Security Plus.

In Zoho ManageEngine ServiceDesk Plus through 10.5, users with the lowest privileges (guest) can view an arbitrary post by appending its number to the SDNotify.do?notifyModule=Solution&mode=E-Mail&notifyTo=SOLFORWARD&id= substring.

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.