CVE-2026-112039
Received Received - Intake

Cross-Site Scripting in Diem Administrative Console

Publication date: 2026-10-19

Last updated on: 2026-10-19

Assigner: VulDB

Description
A vulnerability was found in diem-project diem up to 116974edfb9a5b8bd69cb13586dc62bcdbb485ad. Affected by this issue is the function append of the file dmAdminPlugin/modules/dmConsole/actions/actions.class.php of the component Administrative Console. The manipulation of the argument dm_command results in cross site scripting. The attack can be executed remotely. The exploit has been made public and could be used. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. The project was informed of the problem early through an issue report but has not responded yet.

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Meta Information

Published
2026-10-19
Last Modified
2026-10-19
Generated
2026-10-19
AI Q&A
2026-10-19
EPSS Evaluated
N/A
NVD
CVE-2026-112039
EUVD
EUVD-2026-104042

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
diem-project diem 116974edfb9a5b8bd69cb13586dc62bcdbb485ad

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
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.
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Attack-Flow Graph

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Executive Summary

This is a reflected Cross-Site Scripting (XSS) vulnerability in the Diem project's administrative console. It occurs because user-submitted commands and their output are embedded into HTML without proper encoding. When a user visits a crafted URL with malicious JavaScript, the browser executes the payload in the context of the admin console.

Detection Guidance

To detect this reflected XSS vulnerability, monitor network traffic for suspicious URLs containing malicious JavaScript payloads targeting the administrative console. Check server logs for unusual requests to dmAdminPlugin/modules/dmConsole/actions/actions.class.php with the dm_command parameter. Use browser developer tools to inspect responses for unencoded user input in HTML output.

Impact Analysis

An attacker could trick a privileged user into clicking a malicious link, allowing them to execute arbitrary JavaScript. This could lead to actions like making authenticated requests, reading sensitive data, or changing administrative settings.

Compliance Impact

This vulnerability, a reflected XSS flaw in the administrative console, could potentially expose organizations to compliance violations under GDPR and HIPAA. For GDPR, it may lead to unauthorized access to personal data if an attacker exploits the XSS to steal session tokens or sensitive information. Under HIPAA, it could allow unauthorized access to protected health information if exploited in a healthcare context. The risk depends on the system's use case and data processed.

Mitigation Strategies

Immediately update to the latest version of Diem if available. If no patch exists, disable the administrative console or restrict access to trusted IPs. Implement input validation and output encoding for the dm_command parameter. Use Content Security Policy headers to mitigate XSS risks. Monitor for unauthorized administrative actions.

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