The plugin does not validate and sanitise fields when exporting people to a CSV file, leading to a CSV injection vulnerability.
Proof of Concept
1. Add new person and put the following CSV calculator payload into the Display Name, Phone Number and Description field and save the entry.
payload : =cmd|' /C calc'!'A1' or =cmd|' /C calc'!A0
2. In the All People section, click on "Export CSV"
If the csv is opened in a vulnerable application, the payload will execute.