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Dnn Platform

3 CVEs product

Monthly

CVE-2026-40321 Apr 17, 21:10 NuGet HIGH PATCH GHSA This Week

Stored cross-site scripting (XSS) via malicious SVG file upload in DNN Platform (DotNetNuke) versions before 10.2.2 allows low-privileged authenticated users to execute arbitrary JavaScript in the context of other users' browsers. Attackers can craft SVG files containing embedded scripts that execute when viewed by victims, with elevated impact if targeting administrative users. EPSS data not provided; no CISA KEV listing indicates no confirmed widespread exploitation at time of analysis. CVSS 8.1 (High) reflects the scope change and high confidentiality/integrity impact despite requiring both authentication and user interaction.

Information Disclosure Microsoft Dnn Platform Dnnsoftware
NVD GitHub VulDB
CVSS 3.1
8.0
EPSS
0.0%
CVE-2026-40306 Apr 17, 21:09 NuGet MEDIUM PATCH This Month

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. The vulnerability requires network access to exploit but no authentication or user interaction, and is patched in version 10.2.2.

Information Disclosure Microsoft Dnn Platform Dnnsoftware
NVD GitHub
CVSS 4.0
6.9
EPSS
0.0%
CVE-2026-40305 Apr 17, 21:06 NuGet MEDIUM PATCH This Month

DNN (DotNetNuke) Platform versions 6.0.0 through 10.2.1 allow authenticated users to bypass authorization controls in the friends feature and force acceptance of friend requests on behalf of other users, resulting in unauthorized relationship modifications. The vulnerability requires valid user credentials (PR:L) and affects the integrity of user social graphs without exposing sensitive data. No public exploit code or active exploitation has been confirmed; vendors have released patched version 10.2.2.

Authentication Bypass Microsoft Dnn Platform Dnnsoftware
NVD GitHub
CVSS 3.1
4.3
EPSS
0.0%
EPSS 0% CVSS 8.0
HIGH PATCH This Week

Stored cross-site scripting (XSS) via malicious SVG file upload in DNN Platform (DotNetNuke) versions before 10.2.2 allows low-privileged authenticated users to execute arbitrary JavaScript in the context of other users' browsers. Attackers can craft SVG files containing embedded scripts that execute when viewed by victims, with elevated impact if targeting administrative users. EPSS data not provided; no CISA KEV listing indicates no confirmed widespread exploitation at time of analysis. CVSS 8.1 (High) reflects the scope change and high confidentiality/integrity impact despite requiring both authentication and user interaction.

Information Disclosure Microsoft Dnn Platform +1
NVD GitHub VulDB
EPSS 0% CVSS 6.9
MEDIUM PATCH This Month

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. The vulnerability requires network access to exploit but no authentication or user interaction, and is patched in version 10.2.2.

Information Disclosure Microsoft Dnn Platform +1
NVD GitHub
EPSS 0% CVSS 4.3
MEDIUM PATCH This Month

DNN (DotNetNuke) Platform versions 6.0.0 through 10.2.1 allow authenticated users to bypass authorization controls in the friends feature and force acceptance of friend requests on behalf of other users, resulting in unauthorized relationship modifications. The vulnerability requires valid user credentials (PR:L) and affects the integrity of user social graphs without exposing sensitive data. No public exploit code or active exploitation has been confirmed; vendors have released patched version 10.2.2.

Authentication Bypass Microsoft Dnn Platform +1
NVD GitHub

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