CVE-2025-63544

6.1 MEDIUM

📋 TL;DR

TechStore 1.0 contains a reflected cross-site scripting vulnerability in the /order_notes endpoint via the id parameter. This allows attackers to inject malicious scripts that execute in users' browsers when they visit crafted URLs. All users of TechStore 1.0 are affected.

💻 Affected Systems

Products:
  • TechStore
Versions: 1.0
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: The vulnerability exists in the default installation and requires no special configuration to be exploitable.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could steal session cookies, perform actions as authenticated users, redirect to malicious sites, or install malware on client systems.

🟠

Likely Case

Session hijacking, credential theft, or defacement of the application interface through script injection.

🟢

If Mitigated

Limited impact if input validation and output encoding are properly implemented, though some browser-based attacks may still be possible.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

The GitHub gist provides proof-of-concept code demonstrating the vulnerability. Exploitation requires only a crafted URL.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown

Vendor Advisory: Unknown

Restart Required: No

Instructions:

No official patch is available. Implement input validation and output encoding as described in workarounds.

🔧 Temporary Workarounds

Input Validation and Sanitization

all

Implement server-side validation to ensure the id parameter contains only expected characters (e.g., numbers).

Output Encoding

all

Apply proper HTML encoding to all user-controlled data before rendering in the /order_notes endpoint.

🧯 If You Can't Patch

  • Implement a Web Application Firewall (WAF) with XSS protection rules.
  • Restrict access to the /order_notes endpoint to trusted users only.

🔍 How to Verify

Check if Vulnerable:

Test by accessing /order_notes?id=<script>alert('XSS')</script> and checking if the script executes.

Check Version:

Check the application's version configuration or documentation for TechStore version.

Verify Fix Applied:

After implementing fixes, repeat the test to ensure script execution is prevented.

📡 Detection & Monitoring

Log Indicators:

  • Unusual requests to /order_notes with script tags or encoded payloads in the id parameter.

Network Indicators:

  • HTTP requests containing malicious scripts in query parameters to the vulnerable endpoint.

SIEM Query:

source="web_logs" AND uri_path="/order_notes" AND (query_string CONTAINS "<script>" OR query_string CONTAINS "javascript:")

🔗 References

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