CVE-2026-8413

Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/dialog/page/bulk/design. 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:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks Yonatan Drori (Tenzai) for reporting.

Score

CVSS 3.1 8.8 High

Status

Analyzed - ff5b8ace-8b95-4078-9743-eac1ca5451de

Published

2026-05-21

Last modified

2026-05-22

Weaknesses

CWE-1275, CWE-352

Affected products

• Concrete Cms (Concrete Cms)
• Concrete Cms (Concretecms)

References

• https://documentation.concretecms.org/9-x/developers/introduction/version-history/951-release-notes