An issue was discovered in Thunar before 4.16.7 and 4.17.x before 4.17.2. When called with a regular file as a command-line argument, it delegates to a different program (based on the file type) without user confirmation. This could be used to achieve code execution.
https://www.openwall.com/lists/oss-security/2021/05/09/2
http://www.openwall.com/lists/oss-security/2023/01/05/2