It's not safe, because the online verification code on the university student status certificate is definitely not safe if it is exposed within the validity period, and then these verification codes can be used as a process of verification when logging in. Therefore, this related verification code of university student status certificate should be protected by itself.

Then whether he is within the validity period or not, his personal privacy should be protected, and then personal information and related verification codes on this platform or other platforms need to be hidden.

Therefore, the final conclusion is that it is not safe to disclose the online verification code on the university student status certificate, and then it is not good to do some illegal and criminal activities after being stolen.