Deactivate and delete. This plugin has been closed as of March 14, 2022 and is not available for download. This closure is temporary, pending a full review.
cydave discovered and reported this SQL Injection vulnerability in WordPress Users Ultra Membership Plugin. This could allow a malicious actor to directly interact with your database, including but not limited to stealing information and creating new administrator accounts. This vulnerability has not been known to be fixed yet.
Blind SQL injection
Blind SQL Injection
Unrestricted File Upload