{"id":22645,"date":"2026-09-15T08:31:00","date_gmt":"2026-09-15T00:31:00","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-81901"},"modified":"2026-09-15T08:31:00","modified_gmt":"2026-09-15T00:31:00","slug":"cve-2026-81901","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-81901","title":{"rendered":"CVE-2026-81901 &#8211; In Concrete CMS 9.2.0 through 9.5.2, the REST API page update endpoint (PUT \/ccm\/api\/1.0\/p"},"content":{"rendered":"<p>In Concrete CMS 9.2.0 through 9.5.2, the REST API page update endpoint (PUT \/ccm\/api\/1.0\/pages\/{cID}) did not enforce page-property, page-template, or page-type authorization. A user granted only content-editing rights on a page could therefore alter its properties, template, and type through the API, and could set the header_extra_content attribute, which is rendered unescaped into the head element of every page, to persist JavaScript that executed in the browser of every visitor, including higher-privileged reviewers who approve the page version.\u00a0The Concrete CMS security team gave this vulnerability a CVSS v4.0 score of 7.2 with vector CVSS:4.0\/AV:N\/AC:L\/AT:P\/PR:H\/UI:P\/VC:H\/VI:H\/VA:N\/SC:N\/SI:N\/SA:N. Thanks Yonatan Drori from Tenzai for reporting.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Concrete CMS 9.2.0 through 9.5.2, the REST API page update endpoint (PUT \/ccm\/api\/1.0\/pages\/{cID}) did not enforce page-property, page-template, or page-type authorization. A user granted only cont<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-22645","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/22645","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=22645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=22645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=22645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}