DNN.PLATFORM Allows Stored Cross-Site Scripting (XSS) in Activity Feed
Priority LOW 23CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
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 will then render in the feed. This issue has been patched in version 10.0.1.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00217 12th percentileScored 2026-11-07
Fix Fixed Dnn.Platform (dnnsoftware): 10.0.1DNN.PLATFORM (NuGet): 10.0.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| DotNetNuke (DNN) | Dnn.Platform | 6.0.0 to before 10.0.1 | 10.0.1 | Patch available | CNA |
| — | DNN.PLATFORM (NuGet) | 6.0.0 to before 10.0.1 | 10.0.1 | Patch available | GHSA-wwc9-wmm3-2pmf |
- Dnn.Platform VendorDotNetNuke (DNN) Affected 6.0.0 to before 10.0.1 Fixed in 10.0.1 Patch available CNA
- DNN.PLATFORM (NuGet) Vendor— Affected 6.0.0 to before 10.0.1 Fixed in 10.0.1 Patch available GHSA-wwc9-wmm3-2pmf
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:* | 6.0.0 to before 10.0.1 | Vulnerable | DotNetNuke (DNN) |
- cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:* Versions 6.0.0 to before 10.0.1 Vulnerable ·DotNetNuke (DNN)
Remediation
- Fix · CNA Dnn.Platform (dnnsoftware) Fixed in 10.0.1
- Fix · GHSA-wwc9-wmm3-2pmf DNN.PLATFORM (NuGet) Fixed in 10.0.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-52485
- 2026-10-03 Alias added: GHSA-wwc9-wmm3-2pmf
References
More DotNetNuke (DNN) Dotnetnuke vulnerabilities
- TI-2017-07201 Code injection in DotNetNuke CMS Fixed in 9.1.1 KEVCVSS 3.1HIGH 8.8
- TI-2018-12944 DNN (aka DotNetNuke) 9.2 through 9.2.2 uses a weak encryption algorithm to protect input… KEVCVSS 3.1HIGH 7.5
- TI-2018-11271 DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters. KEVCVSS 3.1HIGH 7.5
- TI-2015-02468 The installation wizard in DotNetNuke (DNN) before 7.4.1 allows remote attackers to… CVSS 3.0CRITICAL 9.8
- TI-2025-39546 DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite CVSS 3.1CRITICAL 10.0
- TI-2018-12945 DNN (aka DotNetNuke) 9.2 through 9.2.2 incorrectly converts encryption key source values… CVSS 3.1HIGH 7.5
Sources
- CVE-2025-52485 · CVE Program
- CVE-2025-52485 · NVD
- FIRST EPSS
- GHSA-wwc9-wmm3-2pmf · GitHub Advisory Database · CC BY 4.0
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