EUVD-2026-79026
GHSA-f3fv-q5vm-5v62
Severity by source
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from Vendor (ConcreteCMS) · only source for this CVE.
CVSS VectorVendor: ConcreteCMS
Lifecycle Timeline
1DescriptionCVE.org
Concrete CMS 9.0.0 to dashboard group type controller did not validate a CSRF token on its delete action, resulting in cross-site request forgery. A remote unauthenticated attacker could cause an authenticated user with group type management permission to delete a custom group type. The Concrete CMS security team gave this vulnerability a CVSS v4.0 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 riodrwn for reporting.
AnalysisAI
Concrete CMS versions 9.0.0 through 9.5.2 fail to validate a CSRF token on the dashboard group type controller's delete action, allowing a remote attacker to force a logged-in administrator into deleting a custom group type. The attacker needs no authentication of their own but must lure a victim who holds group type management permission into visiting a malicious page while logged in, which is why the vendor rated it only 2.3 under CVSS 4.0. …
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External POC / Exploit Code
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