CVE-2024-33304
📋 TL;DR
SourceCodester Product Show Room 1.0 contains a stored cross-site scripting (XSS) vulnerability in the 'Last Name' field of the Add Users functionality. This allows attackers to inject malicious scripts that execute in victims' browsers when viewing user data. Organizations using this specific version of the software are affected.
💻 Affected Systems
- SourceCodester Product Show Room
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator session cookies, perform account takeover, deface the website, or redirect users to malicious sites, potentially leading to complete system compromise.
Likely Case
Attackers inject malicious scripts to steal user session cookies, enabling unauthorized access to administrative functions or user accounts.
If Mitigated
With proper input validation and output encoding, the script payloads would be neutralized, preventing execution while maintaining normal functionality.
🎯 Exploit Status
Exploitation requires access to add users (typically authenticated), but the vulnerability is straightforward to exploit once access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch exists. Consider upgrading to a newer version if available, or implement workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement server-side validation to reject or sanitize HTML/JavaScript in the Last Name field.
Output Encoding
allApply proper output encoding (e.g., HTML entity encoding) when displaying user data to prevent script execution.
🧯 If You Can't Patch
- Implement a web application firewall (WAF) with XSS protection rules to block malicious payloads.
- Restrict access to the Add Users functionality to trusted administrators only and monitor for suspicious activity.
🔍 How to Verify
Check if Vulnerable:
Test by entering a script payload (e.g., <script>alert('XSS')</script>) in the Last Name field when adding a user and check if it executes when viewing the user list.Check Version:
Check the software version in the admin panel or configuration files; look for 'Product Show Room 1.0'.Verify Fix Applied:
After implementing fixes, repeat the test with the same payload to ensure it does not execute and is properly sanitized or encoded.📡 Detection & Monitoring
Log Indicators:
- Log entries showing script tags or unusual characters in Last Name fields during user creation.
Network Indicators:
- HTTP requests with script payloads in POST data to user addition endpoints.
SIEM Query:
Search for POST requests to '/add_user' or similar endpoints with payloads containing '<script>' or 'javascript:' in the request body.