{"id":12454,"date":"2026-09-04T18:59:24","date_gmt":"2026-09-04T10:59:24","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-53903"},"modified":"2026-09-04T18:59:24","modified_gmt":"2026-09-04T10:59:24","slug":"cve-2026-53903","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-53903","title":{"rendered":"CVE-2026-53903 [HIGH] &#8211; MCO is vulnerable to an Insecure Direct Object Reference (IDOR) vulnerability in the \/cust"},"content":{"rendered":"<p>MCO is vulnerable to an Insecure Direct Object Reference (IDOR) vulnerability in the \/customer\/servlet\/mco\/webapi\/trading-document\/fetchPdfStatement endpoint. The application does not properly validate whether an authenticated user is authorized to access a requested document, allowing direct retrieval based on a user-supplied identifier.<br \/>\nAn attacker can access trading documents belonging to other users by providing a valid document ID. Although exploitation requires guessing the identifier, predictable ID patterns enable feasible enumeration, leading to unauthorized disclosure of sensitive information.<\/p>\n<p>Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 25.3.3.1\u00a0but may also affect other versions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MCO is vulnerable to an Insecure Direct Object Reference (IDOR) vulnerability in the \/customer\/servlet\/mco\/webapi\/trading-document\/fetchPdfStatement endpoint. The application does not properly validat<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-12454","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/12454","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12454"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12454"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12454"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}