WordPress database error: [UPDATE command denied to user 'mythosbaza'@'10.14.20.137' for table 'wp_options']
UPDATE wp_options SET option_value = 'O:8:\"stdClass\":4:{s:12:\"last_checked\";i:1714295696;s:15:\"version_checked\";s:3:\"2.3\";s:8:\"response\";s:7:\"upgrade\";s:3:\"url\";s:30:\"http://wordpress.org/download/\";}' WHERE option_name = 'update_core'

XML-RPC server accepts POST requests only.