CVE-2026-51025

Deferred Deferred - Pending Action

Cross Site Scripting in Fuint Member Marketing System

Publication date: 2026-07-20

Last updated on: 2026-07-21

Assigner: MITRE

Description

Cross Site Scripting vulnerability in fuint Member Marketing System <=v1.0 allows a remote attacker to execute arbitrary code via the ClientMessageController.java file

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-20

Last Modified

2026-07-21

Generated

2026-08-10

AI Q&A

2026-07-21

EPSS Evaluated

2026-08-09

NVD

CVE-2026-51025

EUVD

EUVD-2026-46139

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE

KEV

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.

Attack-Flow Graph

Executive Summary

This is a Cross Site Scripting (XSS) vulnerability in the fuint Member Marketing System version 1.0 or earlier. It allows a remote attacker to execute arbitrary code through the ClientMessageController.java file.

Detection Guidance

To detect this reflected XSS vulnerability in the Fuint application, test the `wxPush` method by sending a crafted URL with a malicious script in the `echostr` parameter. Use a browser or tool like curl to request a URL such as: http://target-site/fuint/ClientMessageController?echostr=<script>alert(1)</script>. If the browser executes the script, the vulnerability is present. Alternatively, use automated tools like OWASP ZAP or Burp Suite to scan for reflected XSS in the `echostr` parameter.

Impact Analysis

An attacker could exploit this to run malicious scripts in a user's browser, potentially stealing session cookies, redirecting to phishing sites, or performing actions on behalf of the user.

Compliance Impact

XSS vulnerabilities can lead to unauthorized data access or modification, which may violate GDPR (data protection) and HIPAA (health data privacy) requirements for security controls.

Mitigation Strategies

Immediately update the fuint Member Marketing System to a version higher than v1.0 to patch the XSS vulnerability in ClientMessageController.java. If an update is unavailable, consider disabling or removing the affected component until a fix is applied.

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