Is this vulnerability remotely exploitable?

Yes, if an attacker can get a malicious module installed or otherwise control the module description, the payload will execute when a privileged user opens the Persona Bar page that renders it. The attacker does not need direct access to the victim's browser, only a way to supply the malicious description content.

What level of access does an attacker need to exploit this?

Practically, exploitation requires the ability to install or influence a module's description field. This might mean compromised admin credentials, a malicious third-party module, or abuse of a workflow where untrusted parties can submit modules for installation. Once the module is present, any admin or user with Persona Bar access can be affected when they view it.

What is the safest general fix pattern for this issue?

The safest pattern is to treat module descriptions as untrusted data, sanitize them using a strict, well-maintained HTML sanitizer, and always apply context-aware output encoding when rendering. Avoid rendering raw HTML from metadata fields in administrative views and strip or block executable constructs such as `<script>` tags and event handler attributes.

Severity:

HIGH RISK

(7.6)

Stored Cross-Site Scripting (CWE-79) in DNN Module Description / Persona Bar

CVE-2026-24833

Published:

Jan 27, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-78

CRITICAL RISK

CRITICAL

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Command Injection in MCP Stdio Configuration Validation (CWE-78) in WeKnora

Remote Code Execution

March 7, 2026

CWE-89

CRITICAL RISK

CRITICAL

(9.9)

SQL Injection via PostgreSQL Array/Row Expressions (CWE-89) in WeKnora Query Engine

Remote Code Execution via SQL Injection on the Database Server

March 7, 2026

Vulnerability Type

Category:

Cross-Site Scripting (XSS)

CWE:

CWE-79

Impact:

Stored Cross-Site Scripting leading to account compromise and unauthorized actions

Severity:

HIGH RISK

(7.6)

CVSS Version:

3.1

Vulnerability Type

Category:

Cross-Site Scripting (XSS)

CWE:

CWE-79

Impact:

Stored Cross-Site Scripting leading to account compromise and unauthorized actions

Severity:

HIGH RISK

(7.6)

CVSS Version:

3.1

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Made with Love in San Francisco

355 Bryant St. San Francisco, CA 94107, USA

Ask AI for summary of CodeAnt

Stored Cross-Site Scripting (CWE-79) in DNN Module Description / Persona Bar

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

CRITICAL RISK

CRITICAL

(9.9)

Command Injection in MCP Stdio Configuration Validation (CWE-78) in WeKnora

CRITICAL RISK

CRITICAL

(9.9)

SQL Injection via PostgreSQL Array/Row Expressions (CWE-89) in WeKnora Query Engine

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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