We are running our website using WordPress v5.5.1 and PHP v7.4.11 with forms by Ninja v3.4.30. We are facing a few issues which ought to be very easy to troubleshoot for someone with WP expertise.
1. Fix those cross domain errors by changing the VPS address to our actual domain.
2. Fix a Ninja form submission problem. The submission gets to our PHP plugin, which writes to a log, but it doesn't go any further and no data is recorded. The submit button hangs on 'processing'.
Offering SGD 30 for up to 3 hours work. Willing to provide WP Admin and cPanel access.