6.9
CVSS 4.0
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CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X
Lifecycle Timeline
2
Analysis Generated
Apr 18, 2026 - 00:18 vuln.today
CVSS Changed
Apr 17, 2026 - 22:22 NVD
6.9 (MEDIUM)
DescriptionNVD
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. All new installations of DNN 10.x.x - 10.2.1 have the same Host GUID. This does not affect upgrades from 9.x.x. Version 10.2.2 patches the issue.
AnalysisAI
DNN (DotNetNuke) 10.0.0 through 10.2.1 installations use an identical Host GUID across all new deployments, enabling attackers to impersonate the host administrator account and gain unauthorized access to sensitive CMS functionality. This affects only fresh installations-upgrades from 9.x retain unique identifiers. …
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External POC / Exploit Code
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Destination URL
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