CVE-2026-24833Network attack vector

Stored XSS via rich-text module description

Published Jan 27, 2026 · Updated Jan 27, 2026

Stored XSS in DNN Platform before 9.13.10 and 10.0.0 through 10.1.2 allows remote authenticated users to run scripts in the Persona Bar. A module package can mark its description as rich text, and the Persona Bar renders embedded script content without neutralizing it. Exploitation requires high-privilege module installation and a Persona Bar user to view the stored description, after which the script executes in that user's browser context.

CVSS severity7.6
High
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in DNN Platform before 9.13.10 and 10.0.0 through 10.1.2 allows remote authenticated users to run scripts in the Persona Bar. A module package can mark its description as rich text, and the Persona Bar renders embedded script content without neutralizing it. Exploitation requires high-privilege module installation and a Persona Bar user to view the stored description, after which the script executes in that user's browser context.

The record

CVE
CVE-2026-24833
Published
Jan 27, 2026
Updated
Jan 27, 2026
Vendor
DNN Software
Product
DNN Platform
Classifications
CWE-79, T1203
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 27, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 27, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=>= 10.0.0, < 10.2.0
  2. Affected versionversion=< 9.13.10

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

DNN Software · DNN Platformversion=>= 10.0.0, < 10.2.0; version=< 9.13.10

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
7.6GitHub, Inc.CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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