https://steemit.com/steemdev/@recrypto/wordpress-steem-1-0-0-beta
The above is a promising project by @recrypto that might be of use to you.
SteemConnect version 2, which is hosted on Steemit Inc's GitHub, might make it easier for developers to fully integrate the Steem blockchain with 3rd party platforms such as WordPress.
Thank you for sharing this info.