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CVE-2025-5966: Stored XSS Vulnerability in Zohocorp ManageEngine Exchange Reporter Plus

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Overview

The Common Vulnerabilities and Exposures (CVE) system has identified a serious security vulnerability in Zohocorp’s ManageEngine Exchange Reporter Plus, designated as CVE-2025-5966. This vulnerability specifically affects version 5722 and below of the software. Being an instance of Stored Cross-Site Scripting (XSS), it presents a significant threat to data security and system integrity, with a potential for system compromise or data leakage. Users, administrators, and organizations employing the affected versions of this software should be aware of this vulnerability and take immediate steps to mitigate its potential impacts.

Vulnerability Summary

CVE ID: CVE-2025-5966
Severity: High (CVSS Score 8.1)
Attack Vector: Web-based attack via a compromised attachment
Privileges Required: None
User Interaction: Required, the user must open a manipulated report
Impact: Potential system compromise or data leakage

Affected Products

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Product | Affected Versions

Zohocorp ManageEngine Exchange Reporter Plus | Version 5722 and below

How the Exploit Works

The CVE-2025-5966 exploit takes advantage of a Stored XSS vulnerability in the “Attachments by filename keyword” report functionality of the affected software. An attacker could inject malicious script into the filename of an attachment. When a user opens a report containing this manipulated attachment, the script is executed, compromising the system or leading to data leakage.

Conceptual Example Code

This is a conceptual example of how the vulnerability might be exploited using a maliciously crafted HTTP POST request.

POST /report/attachment HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "attachment_filename": "<script>malicious code here</script>" }

In this example, the ‘attachment_filename’ is used to inject a malicious script. When this filename is included in a report and viewed by a user, the script is executed, exploiting the vulnerability.

Mitigation Guidance

The recommended mitigation for CVE-2025-5966 is to apply the patch provided by Zohocorp for ManageEngine Exchange Reporter Plus. If the patch cannot be applied immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation until the patch can be applied. These systems should be configured to detect and block suspicious script injections in filenames.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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