DotNetNuke.Core Vulnerable to Stored XSS in Scheduler LogNotes
Priority LOW 35CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- High
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · 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. 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 run in the PersonaBar when displayed. Versions 9.13.10 and 10.2.0 contain a fix for the issue.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00257 17th percentileScored 2026-11-07
Fix Fixed Dnn.Platform (dnnsoftware): 9.13.10, 10.2.0DotNetNuke.Core (NuGet): 10.02.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 | 9.0.0 to before 9.13.10; 10.0.0 to before 10.2.0 | 9.13.10, 10.2.0 | Patch available | CNA |
| — | DotNetNuke.Core (NuGet) | 9.0.0 – 9.13.9 | — | No fix listed | GHSA-2g5g-hcgh-q3rp |
| — | DotNetNuke.Core (NuGet) | 10.0.0 to before 10.02.0 | 10.02.0 | Patch available | GHSA-2g5g-hcgh-q3rp |
- Dnn.Platform VendorDotNetNuke (DNN) Affected 9.0.0 to before 9.13.10; 10.0.0 to before 10.2.0 Fixed in 9.13.10, 10.2.0 Patch available CNA
- DotNetNuke.Core (NuGet) Vendor— Affected 9.0.0 – 9.13.9 Fixed in — No fix listed GHSA-2g5g-hcgh-q3rp
- DotNetNuke.Core (NuGet) Vendor— Affected 10.0.0 to before 10.02.0 Fixed in 10.02.0 Patch available GHSA-2g5g-hcgh-q3rp
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:* | 9.0.0 to before 9.13.10; 10.0.0 to before 10.2.0 | Vulnerable | DotNetNuke (DNN) |
- cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:* Versions 9.0.0 to before 9.13.10; 10.0.0 to before 10.2.0 Vulnerable ·DotNetNuke (DNN)
Remediation
- Fix · CNA Dnn.Platform (dnnsoftware) Fixed in 9.13.10, 10.2.0
- Fix · GHSA-2g5g-hcgh-q3rp DotNetNuke.Core (NuGet) Fixed in 10.02.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-24836
- 2026-10-03 Alias added: GHSA-2g5g-hcgh-q3rp
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-2026-24836 · CVE Program
- CVE-2026-24836 · NVD
- FIRST EPSS
- GHSA-2g5g-hcgh-q3rp · GitHub Advisory Database · CC BY 4.0
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