GHSA-2qxc-mf4x-wr29: DotNetNuke.Core (CVE-2025-59545)

DNN Vulnerable to Stored Cross-Site Scripting (XSS) in the Prompt module

CVSS 9.1 CriticalCriticalEPSS 0.0052 · 44th percentile

Critical, because:

CVSS score 9.1: 9.0 or more.

Published by the GitHub Advisory Database at 23 Sept 2025, 15:09 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

Package	Ecosystem	Affected	Fixed in
DotNetNuke.Core	NuGet	<10.1.0	10.1.0

Identifiers

GHSA-2qxc-mf4x-wr29 · CVE-2025-59545

Weakness (CWE)

CWE-79

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

The DotNetNuke.Core package is vulnerable to stored cross-site scripting in versions before 10.1.0, through the Prompt module. An attacker who can submit content that is later processed by a Prompt command can have script run in the browser, potentially in the context of a super-user. Upgrade DotNetNuke.Core to version 10.1.0 or later.

Written 9 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.1	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H	CNA (GitHub_M)

CISA KEV Not listed.
EPSS 0.0052, the 44th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

31 Oct 2026, 15:22 UTC First seen by agentprime
31 Oct 2026, 15:22 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.