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
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Concrete CMSto a version that resolves this vulnerability.Fixed in 9.5.0
Event History
Frequently Asked Questions
What is the severity of CVE-2026-8413?
The severity of CVE-2026-8413 is low, with a CVSS score of 2.3.
How do I fix CVE-2026-8413?
To fix CVE-2026-8413, upgrade your Concrete CMS to version 9.5.0 or later.
What type of vulnerability is CVE-2026-8413?
CVE-2026-8413 is a Cross Site Request Forgery (CSRF) vulnerability.
What are the potential impacts of CVE-2026-8413?
The potential impacts of CVE-2026-8413 include unauthorized actions performed on behalf of a user.
Which versions of Concrete CMS are affected by CVE-2026-8413?
Concrete CMS 9 versions prior to 9.5.0 are affected by CVE-2026-8413.