Unquoted Search Path or Element
Xshell v7.0.0099 and below contains a binary hijack vulnerability which allows attackers to execute arbitrary code via a crafted .exe file.
CWE-428 - Unquoted Search Path or Element
The product uses a search path that contains an unquoted element, in which the element contains whitespace or other separators. This can cause the product to access resources in a parent path.