CVE-2026-24836 | BDVDB-2026-312673 Detail

dnnsoftwareDnn.Platform

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References#

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

Exploit#

No public exploit known

History#

Version 12026-01-27Record published in the CVE List.
Version 22026-01-28Most recent update recorded in the CVE List.

Published

Published: 2026-01-27
Last modified: 2026-01-28

Vendor information

Vendor: dnnsoftware
Product: Dnn.Platform

All dnnsoftware vulnerabilities

Score

7.7 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 17.5.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Cross-Site Scripting

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 9.0.0, < 9.13.10
Fixed
Not stated
Vulnerable
>= 10.0.0, < 10.2.0
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.7 High

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	High
User Interaction	Required
Scope	Changed
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).