Easiest way how to transform data saved in encapsulated comma separated value files (.ecsv) to XML format (.xml) would be to load the original file to some spreadsheet program like Excel and export the tables to XML format using File ► Save as.. function. Should be doable in other spreadsheet editor as well, sometimes you just have to manually import the .ecsv files and tweak the data in tables.
Convert Encapsulated Comma Separated Value file to XML document.
We found one software available in the database for this conversion.
Microsoft Windows software - convert ecsv to xml on Windows
A popular spreadsheet application distributed with Microsoft Office suite
Convert from ecsv file format
The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.