{"id":1329305,"date":"2017-08-02T01:00:42","date_gmt":"2017-08-02T08:00:42","guid":{"rendered":"https:\/\/theeventscalendar.com\/support\/forums\/topic\/qr-codes-can-be-hacked-to-check-in-any-ticket-number\/"},"modified":"2017-08-02T01:00:42","modified_gmt":"2017-08-02T08:00:42","slug":"qr-codes-can-be-hacked-to-check-in-any-ticket-number","status":"closed","type":"topic","link":"https:\/\/theeventscalendar.com\/support\/forums\/topic\/qr-codes-can-be-hacked-to-check-in-any-ticket-number\/","title":{"rendered":"QR codes can be hacked to check in any ticket number"},"content":{"rendered":"<p>Hopefully I&#8217;m wrong, but if I put a ticket&#8217;s QR code into a QR reader, I get the readout:<br \/>\nhttps:\/\/[mysite.com]?event_qr_code=1&#038;ticket_id=ANYTHING&#038;event_id=12345<\/p>\n<p>I can put anything into ticket_id and if I&#8217;m logged in and the event_id is correct, the response is always &#8220;The ticket with ID [ANYTHING] was checked in.&#8221; Does this mean the software isn&#8217;t checking the ticket number?<\/p>\n<p>As ticket IDs are sequential, this is quite easy to hack as you would appreciate. Is there a way to get it to check against the Security Code AND event_id instead?<\/p>\n<p>Thanks again,<\/p>\n<p>Adam<\/p>\n","protected":false},"template":"","class_list":["post-1329305","topic","type-topic","status-closed","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>QR codes can be hacked to check in any ticket number -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/theeventscalendar.com\/support\/forums\/topic\/qr-codes-can-be-hacked-to-check-in-any-ticket-number\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"QR codes can be hacked to check in any ticket number -\" \/>\n<meta property=\"og:description\" content=\"Hopefully I&#8217;m wrong, but if I put a ticket&#8217;s QR code into a QR reader, I get the readout: https:\/\/[mysite.com]?event_qr_code=1&#038;ticket_id=ANYTHING&#038;event_id=12345 I can put anything into ticket_id and if I&#8217;m logged in and the event_id is correct, the response is always &#8220;The ticket with ID [ANYTHING] was checked in.&#8221; 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