Skip to content
CVE PROGRAM SOURCE RECORD6.3 Medium

CVE-2026-8240

Concrete CMS 9.5.0 and below is vulnerable to unauthenticated page metadata disclosure in Backend\SummaryTemplate

Description

Concrete CMS 9.5.0 and below is vulnerable to unauthenticated page metadata disclosure across every page with a configured summary template, revealing the existence of private, draft, and restricted pages while leaking title, path, description, and author information. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 6.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N. Thanks Winston Crooker for reporting.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Concrete CMS Concrete CMS

Default version status: unaffected

  • 5.0 to ≤ 9.5.0affected

References