Vendor
dnnsoftware
34 known vulnerabilities.
dnnsoftware at a glance
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| Month | Vulnerabilities | Critical |
|---|---|---|
| Nov 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
| Sep 2026 | 0 | 0 |
| Aug 2026 | 0 | 0 |
| Jul 2026 | 0 | 0 |
| Jun 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| Apr 2026 | 3 | 0 |
| Mar 2026 | 0 | 0 |
| Feb 2026 | 1 | 0 |
| Jan 2026 | 5 | 1 |
| Dec 2025 | 0 | 0 |
| Nov 2025 | 0 | 0 |
| Oct 2025 | 3 | 1 |
| Sep 2025 | 7 | 1 |
| Aug 2025 | 0 | 0 |
| Jul 2025 | 0 | 0 |
| Jun 2025 | 4 | 0 |
| May 2025 | 3 | 0 |
| Apr 2025 | 6 | 0 |
| Mar 2025 | 0 | 0 |
| Feb 2025 | 0 | 0 |
| Jan 2025 | 0 | 0 |
| Dec 2024 | 0 | 0 |
34 results · Feed
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High 8.1
DotNetNuke.Core has stored cross-site-scripting (XSS) via SVG upload
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.2.2, a user could upload a specially crafted SVG file that could include scripts that can target both authenticated and unauthent…
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Medium 6.9
DNN has same HostGUID for all new installs
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.
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Medium 4.3
DNN has Force Friend Request Acceptance
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Starting in version 6.0.0 and prior to version 10.2.2, in the friends feature, a user could craft a request that would force the acceptance of a frie…
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Medium 6.4
DotNetNuke 9.5 - Persistent Cross-Site Scripting
DotNetNuke 9.5 contains a persistent cross-site scripting vulnerability that allows normal users to upload malicious XML files with executable scripts through journal tools. Attackers can upload XML files with XHTML namespace scripts to execute arbitrary Java…
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Critical 9.1
DotNetNuke.Core Vulnerable to Stored XSS via Module Title
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to versions 9.13.10 and 10.2.0, module title supports richtext which could include scripts that would execute in certain scenarios. Versions 9.…
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High 7.7
DotNetNuke.Core Vulnerable to Stored XSS in Module Deletion Confirmation Modal
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Starting in version 9.0.0 and prior to versions 9.13.10 and 10.2.0, a module friendly name could include scripts that will run during some module ope…
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High 7.7
DotNetNuke.Core Vulnerable to Stored XSS in Scheduler LogNotes
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Starting in version 9.0.0 and prior to versions 9.13.10 and 10.2.0, extensions could write richtext in log notes which can include scripts that would…
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High 7.7
DotNetNuke.Core Vulnerable to Stored XSS in Module Description
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to versions 9.13.10 and 10.2.0, a module could install with richtext in its description field which could contain scripts that will run for use…
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Medium 6.8
DotNetNuke.Core has a potential XSS vulnerability in modules' header and footer
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Starting in version 9.0.0 and prior to versions 9.13.10 and 10.2.0, a content editor could inject scripts in module headers/footers that would run fo…
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Critical 10.0
DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to 10.1.1, the default HTML editor provider allows unauthenticated file uploads and images can overwrite existing files. An unauthenticated use…
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Medium 6.4
DNN vulnerable to stored cross-site-scripting (XSS) via SVG upload
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to 10.1.1, sanitization of the content of uploaded SVG files was not covering all possible XSS scenarios. This vulnerability exists because of …
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Medium 4.3
DNN CKEditor Provider allows unauthenticated upload out-of-the-box
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to 10.1.1, the out-of-box experience for HTML editing allows unauthenticated users to upload files. This opens a potential vector to other secu…
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Medium 5.9
DNN Vulnerable to Reflected Cross-Site Scripting (XSS) in CKEditor File Browser
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.1.0, specially crafted URLs to the FileBrowser are vulnerable to javascript injection, affecting any unsuspecting user clicking s…
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Medium 5.3
DNN's CKEditor File Uploader functionality vulnerable through Unicode obfuscation
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.1.0, the CKEditor file upload endpoint has insufficient sanitization for filenames allowing probing network endpoints. A speciall…
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Medium 6.5
DNN vulnerable to Reflected Cross-Site Scripting (XSS) using url to profile
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.1.0, DNN’s URL/path handling and template rendering can allow specially crafted input to be reflected into a user profile that is…
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Low 2.4
DNN Vulnerable to Stored XSS Using Backend Admin Credentials
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.1.0, administrators and content editors can set html in module titles that could include javascript which could be used for XSS b…
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Critical 9.1
DNN Vulnerable to Stored Cross-Site Scripting (XSS) in the Prompt module
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.1.0, the Prompt module allows execution of commands that can return raw HTML. Malicious input, even if sanitized for display else…
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Medium 6.3
DNN affected by Stored Cross-Site Scripting (XSS) in Profile Biography field
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.1.0, when embedding information in the Biography field, even if that field is not rich-text, users could inject javascript code t…
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Medium 6.5
DotNetNuke.Core allows loading of unused themes on anonymous clients through query parameters
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.1.0, arbitrary themes can be loaded through query parameters. If an installed theme had a vulnerability, even if it was not used …
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High 8.6
DNN.PLATFORM leaks NTLM hash via SMB Share Interaction with malicious user input
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. In versions 6.0.0 to before 10.0.1, DNN.PLATFORM allows a specially crafted series of malicious interaction to potentially expose NTLM hashes to a th…
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High 8.8
DNN.PLATFORM possibly allows bypass of IP Filters
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. In versions 7.0.0 to before 10.0.1, DNN.PLATFORM allows a specially crafted request or proxy to be created that could bypass the design of DNN Login …
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Medium 6.1
DNN.PLATFORM Allows Reflected Cross-Site Scripting (XSS) in some TokenReplace situations with SkinObjects
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. In versions 6.0.0 to before 10.0.1, DNN.PLATFORM allows specially crafted content in URLs to be used with TokenReplace and not be properly sanitized …
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Medium 5.1
DNN.PLATFORM Allows Stored Cross-Site Scripting (XSS) in Activity Feed
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. In versions 6.0.0 to before 10.0.1, DNN.PLATFORM allows a specially crafted request to inject scripts in the Activity Feed Attachments endpoint which…
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Medium 6.0
Dnn.Platform vulnerable to Reflected Cross-Site Scripting (XSS) in module actions in edit mode
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 9.13.9, a specially crafted URL may be constructed which can inject an XSS payload that is triggered by using some module actions. V…
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Medium 6.1
Dnn.Platform vulnerable to Stored Cross-Site Scripting (XSS) with svg files rendered inline
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 9.13.9, uploaded SVG files could contain scripts and if rendered inline those scripts could run allowing XSS attacks. Version 9.13.9…
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Low 3.5
Dnn.Platform's Site Import could use an external source with a crafted request
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 9.13.9, a malicious SuperUser (Host) could craft a request to use an external url for a site export to then be imported. Version 9.1…
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Medium 5.9
Possible Denial of Service (DoS) in DNN.PLATFORM registration
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Possible denial of service with specially crafted information in the public registration form. This vulnerability is fixed in 9.13.8.
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Medium 6.5
DNN allows a registered user to enumerate and access files they should not have access to
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. In limited configurations, registered users may be able to craft a request to enumerate/access some portal files they should not have access to. This…
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Medium 6.5
Server-Side Request Forgery (SSRF) in DotNetNuke.Core
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. A bypass has been identified for the previously known vulnerability CVE-2017-0929, allowing unauthenticated attackers to execute arbitrary GET reques…
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Medium 4.3
Unexpected external content may be displayed in DNN ImageHandler
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. A url could be crafted to the DNN ImageHandler to render text from a querystring parameter. This text would display in the resulting image and a user…
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Medium 4.2
DNN allows the possibility of bypassing Captcha
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. The algorithm used to generate the captcha image shows the least complexity of the desired image. For this reason, the created image can be easily re…
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Low 2.6
DNN does not check the contents of a file when uploading files
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to 9.13.2, when uploading files (e.g. when uploading assets), the file extension is checked to see if it's an allowed file type but the actual …
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Medium 4.9
Relative Path Traversal in dnnsoftware/dnn.platform
Relative Path Traversal in GitHub repository dnnsoftware/dnn.platform prior to 9.11.0.
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Medium 6.5
DNN CMS Server-Side Request Forgery (SSRF)
The AppCheck research team identified a Server-Side Request Forgery (SSRF) vulnerability within the DNN CMS platform, formerly known as DotNetNuke. SSRF vulnerabilities allow the attacker to exploit the target system to make network requests on their behalf, …