VDB-343135 · CVE-2026-24836 · GHSA-2g5g-hcgh-q3rp

dnnsoftware Dnn.Platform up to 9.13.9/10.1.x Persona Bar cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.0	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in dnnsoftware Dnn.Platform up to 9.13.9/10.1.x. Affected by this issue is some unknown functionality of the component Persona Bar. This manipulation causes cross site scripting. This vulnerability is registered as CVE-2026-24836. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in dnnsoftware Dnn.Platform up to 9.13.9/10.1.x. Affected by this vulnerability is some unknown functionality of the component Persona Bar. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

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.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-24836 since 01/27/2026. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation requires an enhanced level of successful authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 9.13.10 or 10.2.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202601-4622) and EUVD (EUVD-2026-4863). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

dnnsoftware

Name

Dnn.Platform

Version

Website

Product: https://github.com/dnnsoftware/Dnn.Platform/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 2.0
VulDB Temp Score: 1.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔒

CNA Base Score: 7.6
CNA Vector (GitHub_M): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Dnn.Platform 9.13.10/10.2.0

Timelineinfo

01/27/2026 CVE reserved
01/28/2026 +1 days Advisory disclosed
01/28/2026 +0 days VulDB entry created
02/05/2026 +8 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-2g5g-hcgh-q3rp
Status: Confirmed

CVE: CVE-2026-24836 (🔒)
GCVE (CVE): GCVE-0-2026-24836
GCVE (VulDB): GCVE-100-343135
EUVD: 🔒
CNNVD: CNNVD-202601-4622 - DNN 跨站脚本漏洞

Entryinfo

Created: 01/28/2026 07:33
Updated: 02/05/2026 04:47
Changes: 01/28/2026 07:33 (65), 01/28/2026 19:45 (6), 01/29/2026 15:11 (1), 02/05/2026 04:47 (11)
Complete: 🔍
Cache ID: 216::103