{"id":23460,"date":"2026-09-16T04:31:36","date_gmt":"2026-09-15T20:31:36","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-81923"},"modified":"2026-09-16T04:31:36","modified_gmt":"2026-09-15T20:31:36","slug":"cve-2026-81923","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-81923","title":{"rendered":"CVE-2026-81923 &#8211; In Concrete CMS before 9.5.3, the SEO Bulk Update Meta Tags editor did not check per-page"},"content":{"rendered":"<p>In Concrete CMS before 9.5.3, the SEO Bulk Update Meta Tags editor did not check per-page edit permissions before saving. The saveRecord() action validated the per-page CSRF token but never called canEditPageProperties() for the target page, so a user who was granted access to the bulk SEO tool and could view (but not edit) a given page was able to change that page&#8217;s meta title, meta description, and URL handle outside their edit scope, tampering with the presentation and live URLs of otherwise protected content.\u00a0The Concrete CMS security team gave this vulnerability a CVSS v4.0 score of 2.1 with vector CVSS:4.0\/AV:N\/AC:L\/AT:P\/PR:H\/UI:N\/VC:N\/VI:L\/VA:N\/SC:N\/SI:N\/SA:N. Thanks Andrew Gonzalez for reporting.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Concrete CMS before 9.5.3, the SEO Bulk Update Meta Tags editor did not check per-page edit permissions before saving. The saveRecord() action validated the per-page CSRF token but never called can<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-23460","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/23460","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=23460"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=23460"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=23460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}