{"id":20087,"date":"2026-09-09T12:31:45","date_gmt":"2026-09-09T04:31:45","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-17553"},"modified":"2026-09-09T12:31:45","modified_gmt":"2026-09-09T04:31:45","slug":"cve-2026-17553","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-17553","title":{"rendered":"CVE-2026-17553 [HIGH] &#8211; The WP EasyCart plugin for WordPress is vulnerable to privilege escalation in versions up"},"content":{"rendered":"<p>The WP EasyCart plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 5.9.3. This is due to the ec_ajax_save_page_default_options() AJAX handler iterating over every $_POST key and passing it directly into update_option() without any allowlist, while gating the handler only on &#8216;manage_options&#8217; OR the plugin&#8217;s custom &#8216;wpec_manager&#8217; capability. The plugin&#8217;s built-in &#8216;wpec_store_manager&#8217; role holds &#8216;wpec_manager&#8217; but not &#8216;manage_options&#8217;, and the required nonce is emitted on frontend product\/category templates that render for any user with &#8216;wpec_manager&#8217;. This makes it possible for authenticated attackers, with Store Manager-level access and above, to elevate their privileges to administrator by updating arbitrary WordPress options such as default_role=&#8217;administrator&#8217; and users_can_register=&#8217;1&#8242;, then self-registering a new account that is assigned the administrator role.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The WP EasyCart plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 5.9.3. This is due to the ec_ajax_save_page_default_options() AJAX handler iterating over e<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-20087","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/20087","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=20087"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=20087"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=20087"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}