[wp-trac] [WordPress Trac] #61838: Uncaught TypeError in multiple REST API endpoints from a single bug

[WordPress Trac]

#61838: Uncaught TypeError in multiple REST API endpoints from a single bug
--------------------------+-----------------------------
 Reporter:  mlf20         |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  REST API      |    Version:  6.2.2
 Severity:  normal        |   Keywords:
  Focuses:  rest-api      |
--------------------------+-----------------------------
 Upon creating a fresh instance of WordPress and setting up the REST API a
 malformed requests to REST API endpoints results
 in an exception multiple endpoints:

 Request body:
 '{"namespace": ["core/offset-text-with-a-brutalist-design-vibe", "core
 /offset-text-with-a-brutalist-design-vibe"]}'


 === Command to reproduce
   curl -X GET "[WORDPRESSDOMAIN]/wp-json/wp-block-editor/v1?namespace=core
 /large-header-with-text-and-a-button&context="  -H 'Authorization: Basic
 [ACCESS_TOKEN]' -H 'Content-Type: application/json' -d '{"namespace":
 ["core/offset-text-with-a-brutalist-design-vibe", "core/offset-text-with-a
 -brutalist-design-vibe"]}'

  curl -X  PUT ["WORDPRESSDOMAIN]/wp-json/wp/v2/blocks/1" -d '{"date":
 "E1VFG9QQ", "date_gmt": "447E5S8V", "slug": "", "status": "IKQHKNFP",
 "password": "TX0QAG2M", "template": ["template is not one of hello-world,
 blank.", "template is not one of hello-world, blank."]}' -H
 'Authorization: Basic [ACCESS_TOKEN]' -H 'Content-Type: application/json'

 === Stacktrace
 {{{
 '<br />\n<b>Fatal error</b>:  Uncaught TypeError: Illegal offset type in
 isset or empty in /var/www/html/wp-includes/rest-api/endpoints/class-wp-
 rest-posts-controller.php:1529\nStack trace:\n#0 /var/www/html/wp-includes
 /rest-api/class-wp-rest-request.php(911):
 WP_REST_Posts_Controller->check_template(Array,
 Object(WP_REST_Request), \'template\')\n#1 /var/www/html/wp-includes/rest-
 api/class-wp-rest-server.php(1018):
 WP_REST_Request->has_valid_params()\n#2 /var/www/html/wp-includes/rest-
 api/class-wp-rest-server.php(443):
 WP_REST_Server->dispatch(Object(WP_REST_Request))\n#3 /var/www/html/wp-
 includes/rest-api.php(410):
 WP_REST_Server->serve_request(\'/wp/v2/blocks/3...\')\n#4 /var/www/html
 /wp-includes/class-wp-hook.php(308): rest_api_loaded(Object(WP))\n#5
 /var/www/html/wp-includes/class-wp-hook.php(332):
 WP_Hook->apply_filters(\'\', Array)\n#6 /var/www/html/wp-
 includes/plugin.php(565): WP_Hook->do_action(Array)\n#7 /var/www/html
 /wp-includes/class-wp.php(399): do_action_ref_array(\'parse_request\',
 Array)\n#8 /var/www/html/wp-includes/class-wp.php(780):
 WP->parse_request(\'\')\n#9 /var/www/html/wp-
 includes/functions.php(1334): WP->main(\'\')\n#10 /var/www/html/wp-
 blog-header.php(16): wp()\n#11 /var/www/html/index.php(17):
 require(\'/var/www/html/w...\')\n#12 {main}\n  thrown in <b>/var/www/html
 /wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php</b> on
 line <b>1529</b><br
 />\n{"code":"internal_server_error","message":"<p>There has been a
 critical error on this website.<\\/p><p><a
 href=\\"https:\\/\\/wordpress.org\\/documentation\\/article\\/faq-
 troubleshooting\\/\\">Learn more about troubleshooting
 WordPress.<\\/a><\\/p>","data":{"status":500},"additional_errors":[]}'
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/61838>
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