CVE 2.3 LOW

Concrete CMS 9.5.0 and below is vulnerable to IDOR + wrong-authorization-level in Express association Reorder dialog_CVE-2026-8347

2.3 / 10
LOW
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Description

Concrete CMS 9.5.0 and below is vulnerable to IDOR + wrong-authorization-level in the Express association Reorder dialog.  This can cause Cross-entity state tampering with view-only permission on one entry. To be affected, a website has to be using express and relying on express entity ordering. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks Winston Crooker for reporting.

Basic Information

ID CVE-2026-8347
Source ConcreteCMS
Published May 22, 2026 at 14:06

Affected Product

Vendor Concrete CMS
Product Concrete CMS
Version 5.0
Affected Versions Concrete CMS Concrete CMS 5.0

CWE Classification

References

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