oembed_cache SPAM problem [closed]

Thank you so much for your reply. It helped me figure out what’s going on.

I get a far bit of spam submissions via my contact form, these spam submissions include URLs. Although they are being flagged as spam and filtered out, WordPress still creates an oembed_cache entry in the database for them.

I have verified I do not have any actual spam links on my website, so in my case they are relatively harmless.

It would appear that I can occasional remove the bogus entries from my database or I can use the Disable Embeds plugin.

Cheers.

error code: 523