CVE-2025-52097 PoC — InstantForum.NET 4.1.4 跨站脚本漏洞

Description

Public Disclosure of CVE-2025-52097

介绍

# CVE-2025-52097 – Reflected XSS in InstantForum.NET v4.1.4

This repository contains the public advisory, proof of concept, and supporting materials for **CVE-2025-52097**, a reflected cross-site scripting (XSS) vulnerability identified in **InstantForum.NET v4.1.4**.

## Summary

**Product:** InstantForum.NET v4.1.4  
**Vendor:** InstantASP Ltd. (no longer in operation)  
**Vulnerability Type:** Reflected Cross-Site Scripting (XSS)

**Description:**  
Un-sanitized input in the `hbhxg` query string parameter is reflected directly into the HTML response without output encoding, allowing an attacker to execute arbitrary JavaScript in the victim's browser without authentication.

## Advisory

Full technical advisory, including exploitation details and remediation recommendations, is available in [ADVISORY.md](ADVISORY.md).

## Proof of Concept

Proof of concept screenshots are included in this repository:

- `poc_proof.png` – Payload execution  
- `poc_proof_2.png` – Reflection and version confirmation

## Disclosure

- **Discoverer:** Ryan Wilson, ECS MSP ARC Red Team  
- **CVE ID:** CVE-2025-52097  
- **Date Advisory Published:** July 11, 2025

## License

This advisory is provided for educational and defensive security purposes only.

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For questions regarding this disclosure, please contact redteam@ecstech.com.

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